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primary 6 | Maths | Geometry
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Date Posted: 2 years ago
Views: 358
sstrike
Sstrike
2 years ago
unshaded
= 3.14×6² - 2×6²
= 41.04

shaded
= circle - unshaded
= 3.14×13² - 41.04
= 489.62 cm² (Ans)

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sstrike
Sstrike's answer
5382 answers (A Helpful Person)
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Joy Foo Jia Ei
Joy Foo Jia Ei's answer
31 answers (Tutor Details)
photo is not very clear, i'm guessing the shaded area is the outer "wheel" and the square inside.