Illustration of a decagon circumscribed about a circle. This can also be described as a circle inscribed…
Illustration of a decagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a dodecagon circumscribed about a circle. This can also be described as a circle inscribed…
Illustration of a dodecagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a hexagon in a circle. Four of the six vertices of the hexagon are bound by the circle…
Illustration of a regular heptagon/septagon inscribed in a circle. This can also be described as a circle…
Illustration of a regular hexagon circumscribed about a circle. This can also be described as a circle…
Illustration of a regular hexagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a regular hexagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a regular nonagon circumscribed about a circle. This can also be described as a circle…
Illustration of a regular nonagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a regular octagon circumscribed about a circle. This can also be described as a circle…
Illustration of a regular octagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a regular pentagon circumscribed about a circle. This can also be described as a circle…
Illustration of a regular pentagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a square, with diagonals drawn, circumscribed about a circle. This can also be described…
Illustration of a square, with 1 diagonals drawn, circumscribed about a circle. This can also be described…
Illustration of a square circumscribed about a circle. This can also be described as a circle inscribed…
Illustration of a square inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a square inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a square, with diagonals drawn, inscribed in a circle. This can also be described as…
Illustration of a 6-point star (convex dodecagon) circumscribed about a circle. This can also be described…
Illustration of an 8-point star (convex polygon) circumscribed about a circle. This can also be described…
Illustration of a 5-point star inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a 6-point star created by two equilateral triangles (often described as the Star of…
Illustration of a 6-point star (convex dodecagon) inscribed in a circle. This can also be described…
Illustration of an 8-point star, created by two squares at 45° rotations, inscribed in a circle.…
Illustration of an 8-point star, or convex polygon, inscribed in a circle. This can also be described…
Illustration of an equilateral triangle circumscribed about a circle. This can also be described as…
Illustration of an equilateral triangle inscribed in a circle. This can also be described as a circle…
2 congruent circles whose intersection includes a tangent circle with diameter equal to the radii of…
A large circle containing 3 smaller congruent circles. The small circles are externally tangent to each…
A large circle containing 3 smaller congruent circles. The small circles are externally tangent to each…
A large circle containing 4 smaller congruent circles. The small circles are externally tangent to each…
A large circle containing 4 smaller congruent circles. The small circles are externally tangent to each…
A sequence of five circles tangent to each other at a point. The radius decreases by one half in each…
A regular hexagon containing 7 congruent circles. The circles are externally tangent to each other and…
A large circle containing 7 smaller congruent circles. The small circles are externally tangent to each…
A large circle containing 7 smaller congruent circles. The small circles are externally tangent to each…
7 congruent circles. 6 of the circles are equally placed about the center circle. The circles are externally…
An illustration depicting an infinite sequence of tangent circles with the radius converging to zero.…
Illustration of a 6-point star (convex dodecagon) inscribed in a large circle and circumscribed about…
Illustration of an 8-point star (convex polygon) inscribed in a large circle and circumscribed about…
A large cylinder containing 2 smaller congruent cylinders. The small cylinders are externally tangent…
A large cylinder containing 3 smaller congruent cylinders. The small cylinders are externally tangent…
A large cylinder containing 4 smaller congruent cylinders. The small cylinders are externally tangent…
Illustration of 4 congruent cylinders with diameters less than the height. The cylinders are externally…
A large cylinder containing 7 smaller congruent cylinders. The small cylinders are externally tangent…
Illustration of 7 congruent cylinders with diameters less than the height. 6 of the cylinders are equally…
Illustration of 7 congruent cylinders with diameters less than the height. 6 of the cylinders are equally…
Illustration of a 12-point star (24-sided polygon) inscribed in a regular dodecagon. This can also be…
Illustration of a cyclic hexagon, a hexagon inscribed in a circle. This can also be described as a circle…
Illustration of a cyclic hexagon, a hexagon inscribed in a circle. This can also be described as a circle…
Illustration of 2 regular concentric hexagons with 6 congruent circles placed between the hexagons so…
Illustration of a cyclic pentagon, a pentagon inscribed in a circle. This can also be described as a…
Illustration of a cyclic quadrilateral, a quadrilateral inscribed in a circle. This can also be described…
Illustration of a regular heptagon/septagon circumscribed about a circle. This can also be described…