Model Of Geometric Relationships In A Circle Small 320×233 Medium 640×466 Large 1024×745 Download Tiff Original 2400×1747 | (179.5 KB) Description An illustration showing a model of a circle with an exterior angle formed between a tangent and a secant that illustrates the following geometric relationship: a:t = t:b, t² = ab Keywords angle, circles, geometric relationships, model of geometric proportions, proof, proportion, secant line, tangent, theorem Galleries Geometric Theorems and Proofs Source: Albert A. Hopkins Scientific America: Handy Book Of Facts And Formulas (New York: Munn & Co., Inc., 1918) 41
