8. The curved surface area of a cone is 2200 cm² and
its slant height is 50 cm. Find the total surface area
and the volume of the cone.
(π=22/7)
Answers
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Step-by-step explanation:
c.s.a. of cone =πrl
2200= 22/7×r×50
r=14cm
total surface area of cone =πr(l+r)
=22/7×14(50+14)
=2816cm²
volume of cone=1/3πr²h
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