If the circumference of the base of a cone is 660/7 cm. and the slant height is 25 cm, then let us calculate the curved surface area of the cone
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Answer:
Step-by-step explanation:
We know that..
2πr=660/7 cm
On simplifying we get
r =15cm
H=25cm
L²=h²+r²
Putting values we get
L²=25²+15²
L²=625+225
L²=850
L=√850
L=5√34 cm
CSA=πrL
=22/7*15*850
=40071.42cm²
Hope you have your answer.
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