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primary 6 | Maths | Data Analysis
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Alex
Alex

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

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Date Posted: 2 years ago
Views: 191
sstrike
Sstrike
2 years ago
(a)
10+18 = 28

¼ ×3.14×28²
= 615.44 cm² (Ans)


(b)
big quarter + small quarter - rect
= ¼ ×3.14×(28²+18²) - 18×28
= 365.78 cm² (Ans)

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Daniel Ling
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1st
Hope this helps
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sstrike
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sstrike
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5325 answers (A Helpful Person)