Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 259
Gauss 248 PLAXE GEOMETRY PrOPOSITIOX II. PUOBLEM 521. To inscribe a square in a given circle. … Given circle 0. To inscribe a square in circle 0. I. The construction is left as an exercise for the student. II. ProofArgument 1. AB ± CD. 2. .-. ZCO^= 90°. 3. .*. AC = 90°, i.e. one fourth of the cir- cumference. 4. .*. the circumference is divided into four equal parts. 5. .*. polygon ACBD,…
Geometry, Plane · Geometry, Solid
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