Question

A circular of radius 4 cm is cut out from a square card board of side 10 cm. what is the area of the left over card board?(Take π=3.14)

please answer​

Answer 1

Answer:

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Answer 2

area of left board=area of square-area of circular

=a^2-πr^2

=10^2-3.14×4^2

=100-3.14×16

=100-50.24

=49.76