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secondary 2 | Maths
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Nicholas
Nicholas

secondary 2 chevron_right Maths chevron_right Singapore

I need help with 3 and 6

Date Posted: 1 month ago
Views: 16

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For Q3 use the formula for the volume of hemisphere and cylinder. For surface area, use 2πrh + πr^2 as only 1 circle is exposed.

For Q6 use the formula for the volume of cylinder and cone. For surface area, use 2πrh + 2πrs. Don't include formula of the circles as they are not exposed.
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Mithiyra
Mithiyra's answer
27 answers (Tutor Details)
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Mithiyra
Mithiyra
1 month ago
Sorry forgot to mention. For Q3, add the formula of the curved surface area of the hemisphere too.
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Marcus
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63 answers (Tutor Details)
Hope this helps! Please help to cross check with answer key to confirm. Thank you!