Sim Jia Xin Jasmine's answer to Ethan's Secondary 1 Maths Singapore question.
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(i) capacity = volume = πr^2h
(ii) height of water = 3/4 * h
Surface area = 2πrh + πr^2
Because its an open cylinder so only the base of the cylinder is counted
(iii) 1m = 100cm
1m^2 = 100^2 cm^2
(ii) height of water = 3/4 * h
Surface area = 2πrh + πr^2
Because its an open cylinder so only the base of the cylinder is counted
(iii) 1m = 100cm
1m^2 = 100^2 cm^2
Date Posted:
3 years ago
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