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secondary 2 | Maths
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Amanda
Amanda

secondary 2 chevron_right Maths chevron_right Singapore

really confused with question (b) :[

Date Posted: 1 year ago
Views: 234
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Blob fish
Blob Fish's answer
110 answers (A Helpful Person)
1st
Hope this helps :)
Amanda
Amanda
1 year ago
thankbyou so much!
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CY Lew
Cy Lew's answer
89 answers (A Helpful Person)
Hi Amanda,

Part (a) can use reverse calculation to applying h=8cm to determine the total surface area. If it matches the given 960 sq cm, then h=8cm.

Part (b) means the same volume of original solid = volume of 5 hemispheres.

Happy learning. CY...
Amanda
Amanda
1 year ago
Thank you!