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Glessard · Answer 1 · 2020-01-02T12:56:59+0000

1. The given graph is octagon:

a is the side of the side:

Area of octagon = 2(1+√2) a²= 2(1+√2)(4)²= 77.25 unit²

2. it is similar to Pentagon:

Let A area, l length, w width, b base and h height:

A= lw+1/2b₁h₁+b₂h₂

A= 7(2)+1/2+7*3 =35.5

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