the radius and height of a right circular cone are 3 and 4 cm respectively. find the 1. curved surface 2 total surface area 3 volume
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csa of cone=πrl
l=√h^2+r^2
l=√9+16
l=√25
l=5cm
now,
22/7*3*5
330/7
47.1cm^2
TSA of cone=πr(l+r)
22/7*3(5+3)
22/7*3*8
528/7
75.4cm^2
ubed26:
wrong
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