Illustration of three circles enclosed in an equilateral triangle.
Illustration of circle with radius of 4000, and triangle with 45 degree angle enclosed.
Illustration of triangle inscribed in circle. Or, circle circumscribed about triangle.
Triangle construction when given two angles and the included side.
Illustration of regular hexagon and triangle inscribed in circle.
An illustration of a prismatoid with triangular faces and points labeled.
An illustration of a pyramid with the top cut off by a plane parallel to the base. The remaining part…
An illustration of a pyramid with the top cut off by a plane parallel to the base. The remaining part…
An illustration of a right triangle made up of a flagpole, rope, and the ground. Illustration could…
An illustration of a right triangle with sides, 40, 75, and x. Additional height of x is added to 75.…
Lines drawn to horizontal to form triangle ratios (reference triangles, angles).
Lines drawn to horizontal to form triangle ratios (reference triangles, angles). Axes, quadrants, abscissa,…
Right triangle ABC with angles A, B, C labeled and leg of 13 with hypotenuse of 15.
Right triangle OQP with angle of 40 degrees, height of .64 inches, and hypotenuse of 1 inch.
Right triangle OQP with angle of 35 degrees, height of .70 inches, and leg of 1 inch.
Special right triangle with angles 45 degrees, 45 degrees, and 90 degrees with side measures/relationships…
Special right triangle with angles 30 degrees, 60 degrees, and 90 degrees with side measures/relationships…
Trigonometric reference triangles/angles drawn for 60 degree reference angel in quadrants I and II.
Trigonometric reference triangles/angles drawn for reference angel in quadrants I and II. This illustration…
Inclined plane forming right triangle showing the velocity of a body sliding a distance,s, down a smooth…
Right triangle ABC with a base angle of 67 degrees 4208 minutes and a hypotenuse of 23.47 ft.
Right triangle ABC with a leg of 23.85 feet and a hypotenuse of 35.62 feet.
Illustration showing an angle of 23 degrees 40 minutes making a triangle in a city block and marking…
Illustration showing a survey on the lake front in Chicago with distances and angle measures shown.
Right triangle ABC with angles A, B, C to be used for finding distance across a river. This is a trigonometry…
Circle with 36 degree angles marked. This diagram can be used with the following trig problem: Locate…
Circle with chord AB=2 ft. and radius OA = 3 ft.. Triangle AOC is a right triangle. Angle AOC=half angle…
Roof with a slope of 30 degrees. Angle theta is the inclination to the horizontal of the line AB, drawn…
Two set squares, whose sides are 3,4, and 5 in., are placed so that their 4-in. sides and right angles…
Circle modeling the earth. O is the center of the earth, r the radius of the earth, and h the height…
Illustration of blueprint used by highway engineers to widen the pavement on the inside of the curve…
Coordinate axis with angle XOP equal to theta, Θ, and angle XOQ=180 - Θ. From any point in the terminal…
Angle XOP=Θ and angle XOQ=90+Θ. From a point in the terminal side of each a perpendicular line is…
Angle XOP=Θ and angle XOQ=- Θ. From a point in the terminal side of each a perpendicular line is drawn…
Right triangle OCB that can be used to show the relationships between x, y, r, and Θ.
Angles used to illustrate the sum and difference of two angles and trig identities.
Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height.
Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height.
Triangle ABC and triangle ABC'. This illustration could be used to demonstrate the law of sines.
Illustration showing ambiguous case when the solution is not a triangle using law of sines.
Illustration of oblique triangle used to find distance across a lake.
Illustration of oblique triangle used to find distance across a river.
Illustration of oblique triangle used to find distance across a river.
Illustration of the resultant vector when two vectors are acting upon a body at point P.
Illustration of the resultant vector when four vectors are acting upon a body at point P.
Illustration of the resultant vector when two vectors are acting upon a body at point P at 90 degrees.
Illustration of the resultant vector when two vectors are acting upon a body at point P at Ǝ degrees.