Question

What is the CSA of a cone of height 15 cm and base 8cm. *​

Answer 1

height=15

base =8

slannt height formula

l^2= r^2+h^2

l^2= 8^2+15^2

l^2= 64+225

l^2= 289

l= √289

l= 17

CSA =πrl

= 22/7×8×17

= 427.42

Answer 2

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