Question

(i) Take a semi-circular paper with radius 7 cm and make it a cone. Find the C.S.A.

of the cone.

(ii) Take a quarter circular paper with radius 3.5 cm and make it a cone. Find the

C.S.A. of the cone.​

Answer 1

Answer:

I don't know‍♀️‍♀️‍♀️‍♀️‍♀️‍♂️‍♂️‍♂️‍♂️

Answer 2

Answer:

i) Take a semi-circular paper with radius 7 cm and make it a cone. Find the C.S.A.

Step-by-step explanation:

l=7

2$\pi$r = 14cm(diameter will be the base area of cone) ,So r = 7/$\pi$

CSA =$\pi$rl = $\pi$x(7/$\pi$)x7 = 49$CM^{2}$