Circle Inscribed In A Triangle Small 320×276 Medium 640×551 Large 1024×882 Download Tiff Original 2400×2067 | (225.7 KB) Description An illustration showing a circle with radius r inscribed in a triangle with sides a, b, and c. Keywords circle, circle inscribed in triangle, circles, circumscribed, geometry, inscribed shape, radii, radius Galleries Inscribed Shapes Source: Albert A. Hopkins Scientific America: Handy Book Of Facts And Formulas (New York: Munn & Co., Inc., 1918) 39