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secondary 3 | A Maths
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nancy ting
Nancy Ting

secondary 3 chevron_right A Maths chevron_right Singapore

please help thank-you!!

Date Posted: 4 years ago
Views: 198

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
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Here. We need to know the formula of a cone and make some algebraic manipulations before inputting the values. Simplification and rationalisation are required at the end.
nancy ting
Nancy Ting
4 years ago
thanks so much :)