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