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What is the area of a regular nonagon having a perimeter of 81cm?

Anonymous

∙ 7y ago

Updated: 12/8/2022

The regular nonagon will have 9 congruent isosceles triangles each with two equal sides of 13.1571198cm and two equal angles of 70 degrees with a base of 9cm opposite apex angle of 40 degrees.

Area of triangle: 0.5*13.1571198^2 *sin(40)*9 = 500.7277596 square cm

Wiki User

∙ 7y ago

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Q: What is the area of a regular nonagon having a perimeter of 81cm?

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