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Question
primary 6 | Maths
| Measurement
2 Answers Below
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Date Posted: 3 years ago
Views: 206
(a) area of ▢ ABCD
12×6 = 72 cm² (Ans)
(b) area of shaded part
unshaded parts = shaded square = ½ ▢ ABCD
shaded parts
= circle - unshaded parts
= circle - ½ ▢ ABCD
= 3.14×6² - 0.5×72
= 77.04 cm² (Ans)
12×6 = 72 cm² (Ans)
(b) area of shaded part
unshaded parts = shaded square = ½ ▢ ABCD
shaded parts
= circle - unshaded parts
= circle - ½ ▢ ABCD
= 3.14×6² - 0.5×72
= 77.04 cm² (Ans)
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done
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The part on EFGH is half of ABCD
If you don't understand . Imagine u fold AEH triangle in . U will get EH+centre . So is halved .
If you don't understand . Imagine u fold AEH triangle in . U will get EH+centre . So is halved .
Date Posted:
3 years ago
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