AC Lim's answer to jay's Primary 6 Maths Measurement Singapore question.
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Arc of ¾ circle
= ¾ × 2 × 22/7 × 21
= 99
Perimeter = 99 + 21 + 21 = 141cm
= ¾ × 2 × 22/7 × 21
= 99
Perimeter = 99 + 21 + 21 = 141cm
Date Posted:
3 years ago
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