Question

find the curved surface area of a cone with base 5.25 cm and slant height 10 cm

Answer 1

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Answer 2

r=5.25cm
h=10cm

l^2=h^2+r^2
l=√5.25^2+10^2
l=√27.5625+100
l=√127.5625
l=11.294357 or 12

C.S.A of cone=πrl
=22/7x5.25x12
=198 sq.cm.

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