Someone's answer to jay's Primary 6 Maths Measurement Singapore question.
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Find the total area of the figure by finding the shaded semicircle and the big quarter circle.
If you are finding area of shaded part you just minus the total area of figure with the unshaded semicircle.
Formula of the area of circle:
Circle- pie*radius*radius
Semicircle-(pie*radius*radius)divided by 2
Quarter circle- (pie*radius*radius) divided by 4
If you are finding area of shaded part you just minus the total area of figure with the unshaded semicircle.
Formula of the area of circle:
Circle- pie*radius*radius
Semicircle-(pie*radius*radius)divided by 2
Quarter circle- (pie*radius*radius) divided by 4
Date Posted:
3 years ago
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