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How Many Triangles Are In A Decagon Worksheets

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How Many Triangles Are In A Decagon Worksheets. The sum of the interior angles. If you are considering all the vertices independently you will have a total of 8*10 = 80 triangles.

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Note that the triangle is an exception to this rule. How many triangles in a decagon? Each angle in an equilateral triangle has 60º, since three 60º angles would add up to 180º.

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You can figure out this way: What about a regular decagon (10 sides) ? How to find the angles in a triangle, worksheets, solutions, examples, a collection of interactive mathematics worksheets. So, the only type of triangle we could be talking about is an equilateral one like the one pictured problem 9.

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