The radius of the base and the height of the right circular cone are 7cm and 24cm
respectively.Find the volume and total surface area of the cone.
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Answer:
r = 7cm
h = 24cm ________
therefore, l = √(24) ²+(7) ²
________
= √ 576 + 49
___
=√625
= 25
Now,
Volume of cone = 1/3 πr²h
= 1/3 x 22/7 x 7 x 7 x 24
= 1232 cm³
Again,
TSA of cone = πr(l+r)
= 22/7 x 7 (7 + 25)
= 22 x 32
= 704 cm²
Hope, it helps you
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