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Harrizon [31]
3 years ago
9

Someone please help I need this ASAP

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
6 0

Answer:

Composite area is 400+157=557

or 400 + 50pi

Step-by-step explanation:

First find the area of the square

A=s*s A= 20*20

Area of the square portion is 400

then find the area of the semicircle- we know the diameter of the circle is 20, so the radius is 10.

A=\frac{1}{2} \pi r^{2}

so

A=\frac{1}{2} \pi 10^{2} \\A=\frac{1}{2}\pi 100\\A=50\pi \\A=  157

Composite area is 400+157=557

or 400 + 50pi

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