Answer:

Given: ABCD is a square with side 20 cm. To find: Area of given figure. Therefore, the area of the given figure is 314 cm².

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Given that

ABCD is a square where AB = BC= CD= AD = 20cm.

radius of semi circle is half of side of square.

So, radius = ½ of 20 = 10cm.

Total area = Area of square ABCD + twice of Area of one semicircle

Total area = (side)² + 2 × ½πr²

= (20)² + π (10)²

= 400+ 3.14× 100

= 400+ 314

= 714 cm²

Total area of figure is 714 cm²

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