See Yuthika Mandal's answer to Pooh pooh bear's Primary 6 Maths Measurement question

Yuthika Mandal's answer to Pooh pooh bear's Primary 6 Maths Measurement question.

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Date Posted: 6 years ago

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AC Lim

6 years ago

1/4 Circle CBD area = 1/4*3.14*12*12 = 113.04
1/2 circle COB area = 1/2*3.14*6*6 = 56.52
triangle COB area = 144/4 = 36
So Shaded area = 113.04 / 2 - 36 = 20.52