Question
The figure is made up of semicircles, a square, GHKM, and a rectangle, HJLM. The length of the square, GHKM, is 80 m. Find the area of the shaded figure. Leave your answer in terms of π .
4 m

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The figure is made up of semicircles, a square, GHKM, and a rectangle, HJLM. The length of the square, GHKM, is 80 m. Find the area of the shaded figure. Leave your answer in terms of π .