Answer: (a) Let be the area of a polygon with equal sides inscribed in a circle with
Chapter 5, Problem 28(choose chapter or problem)
(a) Let be the area of a polygon with equal sides inscribed in a circle with radius . By dividing the polygon into congruent triangles with central angle , show thatAn 1 2nr2 sin2n(b) Show that . [Hint: Use Equation 3.3.2 on page 191.]
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