I require some help? Calculate the area of a regular fifteen-sided figure inscribed in a circle of radius 10cm??? thanks in advance
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Originally Posted by sa87uk I require some help? Calculate the area of a regular fifteen-sided figure inscribed in a circle of radius 10cm??? thanks in advance A regular 15-gon consists of 15 isosceles triangles which can be split into 2 right triangles each. The central angle of one triangle is The area is calculated by: Plug in r = 10 and calculate the value.
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