Victoria Chan's answer to Help's Primary 6 Maths Measurement Singapore question.
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(a) let each long side of the rectangle be x
total perimeter = 95.2
4x + 4(7) = 95.2
x = 16.8
(b) total area of 1 semicircle (2 quarter circles) = (22/7)(1/2)(16.8)(16.8) = 443.52
total perimeter = 95.2
4x + 4(7) = 95.2
x = 16.8
(b) total area of 1 semicircle (2 quarter circles) = (22/7)(1/2)(16.8)(16.8) = 443.52
Date Posted:
4 years ago
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