A right triangle with degrees, 89, 1, 90

Right Triangle degrees, 89, 1, 90

A right triangle with degrees, 89, 1, 90

A flashcard featuring an illustration of an Acute Triangle

Flashcard of an Acute Triangle

A flashcard featuring an illustration of an Acute Triangle

A flashcard featuring an illustration of a polygon with three equal sides

Flashcard of a polygon with three equal sides

A flashcard featuring an illustration of a polygon with three equal sides

A flashcard featuring an illustration of an Isosceles Triangle

Flashcard of an Isosceles Triangle

A flashcard featuring an illustration of an Isosceles Triangle

A flashcard featuring an illustration of an Obtuse Triangle

Flashcard of an Obtuse Triangle

A flashcard featuring an illustration of an Obtuse Triangle

A flashcard featuring an illustration of a Pyramid with a Triangular Base

Flashcard of a Pyramid with a Triangular Base

A flashcard featuring an illustration of a Pyramid with a Triangular Base

A flashcard featuring an illustration of a Right Triangle

Flashcard of a Right Triangle

A flashcard featuring an illustration of a Right Triangle

A flashcard featuring an illustration of a Scalene Triangle

Flashcard of a Scalene Triangle

A flashcard featuring an illustration of a Scalene Triangle

A protractor with 30 and 150 degree suplementary angles indicated.

Protractor, 30 and 150 Degrees

A protractor with 30 and 150 degree suplementary angles indicated.

A protractor with 45 and 135 degree suplementary angles indicated.

Protractor, 45 and 135 Degrees

A protractor with 45 and 135 degree suplementary angles indicated.

A protractor with 60 and 120 degree suplementary angles indicated.

Protractor, 60 and 120 Degrees

A protractor with 60 and 120 degree suplementary angles indicated.

A protractor with 90 and 90 degree suplementary angles indicated.

Protractor, 90 and 90 Degrees

A protractor with 90 and 90 degree suplementary angles indicated.

A protractor with 120 and 60 degree suplementary angles indicated.

Protractor, 120 and 60 Degrees

A protractor with 120 and 60 degree suplementary angles indicated.

A protractor with 135 and 45 degree suplementary angles indicated.

Protractor, 135 and 45 Degrees

A protractor with 135 and 45 degree suplementary angles indicated.

A protractor with 150 and 30 degree suplementary angles indicated.

Protractor, 150 and 30 Degrees

A protractor with 150 and 30 degree suplementary angles indicated.

Illustration of 2 similar triangles with altitudes drawn.

Similar triangles

Illustration of 2 similar triangles with altitudes drawn.

Illustration of a right triangle used to show the Pythagorean Theorem (the square of the hypotenuse is equal to the sum of the squares of the legs).

Right Triangle

Illustration of a right triangle used to show the Pythagorean Theorem (the square of the hypotenuse…

Illustration of a how to construct a triangle equivalent to a given hexagon/polygon.

Hexagon Used to Construct Equivalent Triangle

Illustration of a how to construct a triangle equivalent to a given hexagon/polygon.

Illustration of a triangular prism - a prism whose base is a triangle.

Triangular Prism

Illustration of a triangular prism - a prism whose base is a triangle.

Illustration of a plane passing through the vertex of a cone (section made is a triangle).

Plane Passing Through the Vertex of a Cone

Illustration of a plane passing through the vertex of a cone (section made is a triangle).

Illustration of a plane passing through the vertex of a cone (section made is a triangle).

Plane Passing Through the Vertex of a Cone

Illustration of a plane passing through the vertex of a cone (section made is a triangle).

Illustration of polar and spherical triangles.

Polar and Spherical Triangles

Illustration of polar and spherical triangles.

Illustration of polar triangles.

Polar Triangles in Sphere

Illustration of polar triangles.

Illustration of symmetrical spherical triangles.

Symmetric Spherical Triangles

Illustration of symmetrical spherical triangles.

Illustration of symmetrical spherical triangles.

Symmetric Spherical Triangles

Illustration of symmetrical spherical triangles.

Illustration of symmetrical spherical triangles.

Symmetric Spherical Triangles

Illustration of symmetrical spherical triangles.

Illustration of equal spheres with equal triangles.

Equal Spheres With Triangles

Illustration of equal spheres with equal triangles.

Illustration of equal spheres with equilateral and equiangular triangles.

Equal Spheres With Triangles

Illustration of equal spheres with equilateral and equiangular triangles.

Illustration of an isosceles spherical triangle.

Isosceles Spherical Triangle

Illustration of an isosceles spherical triangle.

Illustration of an isosceles spherical triangle.

Isosceles Spherical Triangle

Illustration of an isosceles spherical triangle.

Illustration of an isosceles spherical triangle.

Solids of Revolution

Illustration of an isosceles spherical triangle.

Illustration showing that the area of a parabolic segment made by a chord is two thirds the area of the triangle formed by the chord and the tangents drawn through the ends of the chord.

Tangents and Chords of a Parabola

Illustration showing that the area of a parabolic segment made by a chord is two thirds the area of…

Illustration of a right triangle that can be used to show Pythagorean theorem. "In any right triangle, the square described upon the hypotenuse is equal to the sum of the squares described upon the other two sides."

Right Triangle Showing Pythagorean Theorem

Illustration of a right triangle that can be used to show Pythagorean theorem. "In any right triangle,…

Illustration of a right triangle with legs labeled 150 and 85. This could be used to find the hypotenuse using Pythagorean Theorem.

Right Triangle With Sides 85 and 150

Illustration of a right triangle with legs labeled 150 and 85. This could be used to find the hypotenuse…

Illustration of two similar triangles, abc and ABC.

Similar Triangles

Illustration of two similar triangles, abc and ABC.

Illustration of a triangle divided by a parallel line to form two similar triangles.

Similar Triangles

Illustration of a triangle divided by a parallel line to form two similar triangles.

"If AOB is an angle of 1 ° on the larger circle, it is also 1 ° on the smaller concentric circle, and the length of the arc AB is to the length of the arc CD as to radius OB is to the radius OD; or, arc AB:arc CD = OB:OD."

Concentric Circles With Angle of 1 °

"If AOB is an angle of 1 ° on the larger circle, it is also 1 ° on the smaller concentric circle,…

Right triangle OCA, inside of Circle O is used to show that side AC is "opposite" O and side OC is "adjacent" to O. OA is the hypotenuse. Sine is defined as the ratio of the opposite side to the hypotenuse (AC/OA). Cosine is defined as the ratio of the adjacent side to the hypotenuse (OC/OA), and Tangent is defined as the ratio of the opposite side to the adjacent side (DB/OB).

Trigonometry Triangle to Show Sine, Cosine, and Tangent

Right triangle OCA, inside of Circle O is used to show that side AC is "opposite" O and side OC is "adjacent"…

Right triangle with angle of 29 ° 31' and side of 24.

Triangle With Angle of 29 ° 31' and Side of 24

Right triangle with angle of 29 ° 31' and side of 24.

Right triangle with angle of 25 ° 33' 7" and side of 37' 7"

Triangle With Angle of 25 ° 33' 7" and Side of 37' 7"

Right triangle with angle of 25 ° 33' 7" and side of 37' 7"

Right triangle with sides 15 and 18.

Right Triangle With Sides 15 and 18

Right triangle with sides 15 and 18.

Right triangle with side .024967 and hypotenuse .04792.

Right Triangle With Side .024967 and Hypotenuse .04792

Right triangle with side .024967 and hypotenuse .04792.

Right triangle with side 234 and hypotenuse 308.

Right Triangle With Side 234 and Hypotenuse 308

Right triangle with side 234 and hypotenuse 308.

Oblique triangle with side 21' and angles 88 ° 24' 11" and 46 ° 14'.

Oblique Triangle With Side 21' and Angles 88 ° 24' 11" and 46 ° 14'

Oblique triangle with side 21' and angles 88 ° 24' 11" and 46 ° 14'.

Oblique triangle with side 18" and angles 60 ° and 38 ° 42'.

Oblique Triangle With Side 18" and Angles 60 ° and 38 ° 42'

Oblique triangle with side 18" and angles 60 ° and 38 ° 42'.

Oblique triangle with perpendicular drawn to form two right triangles, one with angle measuring 36 ° 3' 29" and sides 19" and 23 ".

Oblique Triangle With Perpendicular Drawn

Oblique triangle with perpendicular drawn to form two right triangles, one with angle measuring 36 °…

Oblique triangle with perpendicular drawn and angle of measure 35 ° 38" given, and sides of 88' 6" and 57'. This would be used with Law of Sines Ambiguous Case.

Oblique Triangle Used For Ambiguous Case

Oblique triangle with perpendicular drawn and angle of measure 35 ° 38" given, and sides of 88'…

Illustration of a composite figure made up of rings, rectangles, triangles, etc..

Composite Figure

Illustration of a composite figure made up of rings, rectangles, triangles, etc..

3/3 of a 3 sided polygon with one piece detached

Fractions of 3-sided Polygon

3/3 of a 3 sided polygon with one piece detached

Illustration of an equilateral triangle inscribed in an equilateral dodecagon. This could also be described as a dodecagon circumscribed about an equilateral triangle.

Triangle Inscribed In A Dodecagon

Illustration of an equilateral triangle inscribed in an equilateral dodecagon. This could also be described…

Illustration of 12 equilateral triangles inscribed in an equilateral dodecagon. Each vertex of the dodecagon contains a vertex of a triangle.

12 Triangles Inscribed In A Dodecagon

Illustration of 12 equilateral triangles inscribed in an equilateral dodecagon. Each vertex of the dodecagon…

Illustration of a regular hexagon and an equilateral triangle inscribed in a regular dodecagon. This could also be described as an equilateral triangle inscribed in a regular hexagon, which is inscribed in a regular dodecagon.

Hexagon And Triangle Inscribed In A Dodecagon

Illustration of a regular hexagon and an equilateral triangle inscribed in a regular dodecagon. This…

Design made by drawing one large circle and then three circles that are internally tangent to the original circle and externally tangent to each other. The lines of centers of the inner circles form an equilateral triangle. Erase one side of each of the smaller circles to create the design. It resembles the yin and yang symbol.

3 Yin Yang Design Symbols In A Circle

Design made by drawing one large circle and then three circles that are internally tangent to the original…

Design made by drawing one large circle and then three circles that are internally tangent to the original circle and externally tangent to each other. The lines of centers of the inner circles form an equilateral triangle.. Erase one side of each of the smaller circles to create the design. It resembles the yin and yang symbol.

3 Yin Yang Design Symbols In A Circle

Design made by drawing one large circle and then three circles that are internally tangent to the original…

Illustration of an equilateral triangle inscribed in an equilateral triangle. The smaller triangle is created by joining the midpoints of the sides of the larger triangle. The area of the inscribed triangle is 1/4 the area of the larger triangle.

Equilateral Triangle Inscribed In An Equilateral Triangle

Illustration of an equilateral triangle inscribed in an equilateral triangle. The smaller triangle is…

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints of the sides of the larger triangle. 3 smaller equilateral triangles are then constructed in the remaining area by joining the midpoints of the other 3 triangles.

Equilateral Triangles Inscribed In An Equilateral Triangle

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints…

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints of the sides of the larger triangle. Thus, there are 4 equilateral triangles inside of the large triangle. Inside each of the 4 smaller equilateral triangles another equilateral triangle is constructed by joining the midpoints of the sides.

Equilateral Triangles Inscribed In Equilateral Triangles

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints…

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints of the sides of the larger triangle. Inside the smaller equilateral triangle another inscribed equilateral triangle is constructed by joining the midpoints of the sides.

Equilateral Triangles Inscribed In Equilateral Triangles

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints…

Illustration of 2 concentric equilateral triangles.

2 Concentric Equilateral Triangles

Illustration of 2 concentric equilateral triangles.

Illustration of 2 concentric equilateral triangles.

2 Concentric Equilateral Triangles

Illustration of 2 concentric equilateral triangles.