need b only can refer to ans : a(i) 324pi cm^3 ii) 424.17cm^2 iii) 678.672cm^2

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secondary 2 | Maths
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secondary 2 Maths Singapore

need b only
can refer to ans :
a(i) 324pi cm^3
ii) 424.17cm^2
iii) 678.672cm^2
b) 9cm

Date Posted: 4 years ago

AC Lim

4 years ago

Volume of cylinder = volume of cone
Base area × height = 324π
36π × height = 324π
Height = 324π÷36π =9cm

LockB

4 years ago

thx for helping!!

Volume of cylinder = volume of cone
Base area × height = 324π
36π × height = 324π
Height = 324π÷36π =9cm

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Date Posted: 4 years ago