Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 114
BOOK IV 113 Appendix … PROBLEM X.To inscribe a circle in a regular polygon. Bisect any two sides of the polygonby the perpendiculars GO, FO, andwith their point of intersection O, as acentre, and OGas a radius describethe circumference of a circle—thiscircle will touch all the sides of thepolygon. For, draw OA. Then in…
Geometry · Plane trigonometry
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