SOLUTION: A regular decagon is inscribed inside a circle in the following figure. Ten congruent isosceles triangles are created by connecting the center of the circle to each vertex of the d
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Question 1062888: A regular decagon is inscribed inside a circle in the following figure. Ten congruent isosceles triangles are created by connecting the center of the circle to each vertex of the decagon. The base length of one of the isosceles triangles is b, and the height is h. The length of one of the lines connecting the center to a vertex is r.
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Which expressions represent the area of the regular decagon?
There is more than one correct answer choice. Select all that apply.
5bh
10bh
5h
10b(h/2)
5b
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The area of a triangle is 
. There are ten such triangles, all identical and therefore all have the same area.
John
My calculator said it, I believe it, that settles it
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