When n = 20,
the two shorter sides of a triangle are the same length. the length of the longer side is 5 m longer than each of the shorter si
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When n = 20,
<span>This polygon is composed of a right triangle and <span>a parallelogram.
The area of right angle :
The area of the </span></span><span>parallelogram</span>:
The area of the polygon is equal:
Therefore, the answer is:
The area of right angle :
The area of the </span></span><span>parallelogram</span>:
The area of the polygon is equal:
Therefore, the answer is: