Math, asked by tssiyad, 1 year ago

find the curved surface area of a cone of radius 21cm and height 28cm

Answers

Answered by soumensabui100

1

Answer:

The formula of CSA is 2πrh

given, r = 21

h = 28

therefore

2*22/7*21*28

3696 cmsq

hope it's helpful dear

Step-by-step explanation:

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