diameter of the base of a cone is 10.5 and it's slant height is 10ch find curved surface area
Answers
Answered by
3
Answer:
Diameter of the base =10.5cm
∴ Radius of the base (r)=
2
10.5
cm=5.25cm
Slant height (l)=10cm
∴ Curved surface area of the cone
=πrl=
7
22
×5.25×10=165cm
2
Answered by
7
Given:
R=
2
10.5
=5.25cm
Slant height =10cm
⇒CSA of cone =πrl
=
7
22
×5.25×10cm
2
=22×0.75×10cm
2
=165cm
2
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