Please help me with this composite solids question. Thank you.

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Secondary 1 | Maths
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Secondary 1 Maths Singapore

Please help me with this composite solids question. Thank you.

Date Posted: 3 years ago

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Hope this helps

Date Posted: 3 years ago

Dee

3 years ago

Thank you very much.

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Date Posted: 3 years ago

AC Lim

3 years ago

For area, I am using
Bigger half circle - smaller half circle
½ × 2 × π x 7.5 - ½ × 2 × π x 6
= 1.5π