Oblique triangle with perpendicular drawn and angle of measure 35 ° 38" given, and sides of 88'…
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…
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…
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…
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…
Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints…
Illustration of 3 concentric equilateral triangles that are equally spaced.
Illustration of 4 concentric equilateral triangles that are equally spaced.
Illustration of an equilateral triangle that shows both the centroid (where the medians of the sides…
Illustration of 10 congruent equilateral triangles that have the same center. Each triangle has been…
Illustration of 10 congruent equilateral triangles that have the same center. Each triangle has been…
Illustration of 5 congruent equilateral triangles that have the same center. Each triangle has been…
Illustration of 20 congruent equilateral triangles that have the same center. Each triangle has been…
Illustration of 3 ladders leaning against the side of a building (wall) to form right triangles. The…
Illustration of an extension ladder. If ladder is leaned against a building, it will form a right triangle…
Illustration of a ladder that is not perpendicular to the ground. If it is set on the ground and leaned…
Illustration of a ladder that is not perpendicular to the ground. If it is set on the ground and leaned…
Illustration of a ladder that is not perpendicular to the ground. If it is set on the ground and leaned…
Illustration of a ladder that is not perpendicular to the ground. If it is set on the ground and leaned…
Illustration of 2 ladders leaning against opposite sides of a palm tree to form similar right triangles.…
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
Illustration of a ladder leaning against the side of a building (wall) to form a right triangle .
Illustration of a stepladder that is opened to form an isosceles triangle with the ground.
Illustration of a leaning tower with a perpendicular drawn from the top of the tower to the ground to…
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
Illustration of a giant stepladder, sometimes called a skyscraper stepladder, that is opened next to…
Illustration of a palm tree that is perpendicular to the ground. The tree is perfectly straight, as…
Illustration of a stepladder that is opened to form an isosceles triangle with the ground.
Illustration of a right decagonal pyramid. The base is a decagon and the faces are isosceles triangles.…
Illustration of a hollow right decagonal pyramid. The base is a decagon and the faces are isosceles…
Illustration of a right septagonal/heptagonal pyramid with hidden edges shown. The base is a heptagon…
Illustration of a hollow right heptagonal (septagonal) pyramid. The base is a heptagon and the faces…
Illustration of a hollow right heptagonal (septagonal) pyramid. The base is a heptagon and the faces…
Illustration of a right hexagonal pyramid with hidden edges shown. The base is a hexagon and the faces…
Illustration of a right hexagonal pyramid with hidden edges shown. The base is a hexagon and the faces…
Illustration of a hollow right hexagonal pyramid. The base is a hexagon and the faces are isosceles…
Illustration of a non-right, or skewed, hexagonal pyramid with hidden edges shown. The base is a hexagon…
Illustration of a right nonagonal pyramid with hidden edges shown. The base is a nonagon and the faces…
Illustration of a hollow right nonagonal pyramid. The base is a nonagon and the faces are isosceles…
Illustration of a right octagonal pyramid with hidden edges shown. The base is an octagon and the faces…
Illustration of a hollow right octagonal pyramid. The base is an octagon and the faces are isosceles…
Illustration of a right pentagonal pyramid with hidden edges shown. The base is an pentagon and the…
Illustration of a right pentagonal pyramid with hidden edges shown. The base is an pentagon and the…
Illustration of a right pentagonal pyramid viewed from below with hidden edges shown. The base is an…
Illustration of a right pentagonal pyramid viewed from below. The base is an pentagon and the faces…
Illustration of 2 similar right pentagonal pyramids with hidden edges shown. The height of the pyramid…
Illustration of 2 right pentagonal pyramids with hidden edges shown. The pentagonal bases are congruent,…
Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…
Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…
Illustration of 2 right rectangular pyramids with hidden edges shown. The rectangular bases are congruent,…