An illustration showing a quadrilateral inscribed in a circle that is tangent to a line.
An illustration showing a triangle with sides b, c, and d inscribed in a circle with radius r.
An illustration showing a triangle with angles A, C, and D inscribed in a circle which is tangent to…
Illustration of an oblique view of a hollow cylinder. The portion removed from the center of the cylinder…
Illustration used to prove that triangle EFD is equilateral given that triangle ABC is equilateral and…
An illustration showing a circle with radius r inscribed in a triangle with sides a, b, and c.
An illustration showing a circle with sectors D and E inscribed in a triangle with angles, A, B, and…