Angles With Perpendicular Sides Are Equal or Supplementary Proof

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Illustration used to prove “Two angles whose sides are perpendicular each to each are either equal or supplementary.”

Keywords

geometry, right, proof, angle, angles, perpendicular, supplementary, theorem

Galleries

Geometric Theorems and Proofs

Source

C.A. Hart, Daniel D. Feldman Plane and Solid Geometry (New York, NY: American Book Company, 1911)

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