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Secondary 1 | Maths
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Please help me with this composite solids question. Thank you.
Date Posted: 4 years ago
Views: 412
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done
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clear
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Hope this helps
Date Posted:
4 years ago
Thank you very much.
For area, I am using
Bigger half circle - smaller half circle
½ × 2 × π x 7.5 - ½ × 2 × π x 6
= 1.5π
Bigger half circle - smaller half circle
½ × 2 × π x 7.5 - ½ × 2 × π x 6
= 1.5π
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