What is the area of the shaded part?

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I need help finding the area of the shaded part. The answer has to have 2 decimal points.

1 Answer
May 7, 2018

21.46cm^2(2dp)

Explanation:

The shaded part is the area of the square minus the area of the circle

square=10xx10=100cm^2

circle=pir^2

diameter =10cm

:.r=5cm

circle=pixx5^2

circle=25picm^2

shaded part=100-25pi

=21.46018366

=21.46cm^2(2dp)