sstrike's answer to emmy :)'s Primary 6 Maths Algebra Singapore question.
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I+S+T = ¼ big circle
= ¼ ×(22/7)×28² = 616
I+T = ¼ big circle - ¼ small circle
= ¾ × 616 = 462
II + T = rectangle
= 14×28 = 392
I - II = 462-392 = 70cm²(Ans)
= ¼ ×(22/7)×28² = 616
I+T = ¼ big circle - ¼ small circle
= ¾ × 616 = 462
II + T = rectangle
= 14×28 = 392
I - II = 462-392 = 70cm²(Ans)
Date Posted:
3 years ago
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