Question

13) A toy is in the form of a cone mounted on a hemisphere of same radius . The total
surface area of the toy is
A) πrl+2πr²
B) πrl+πr²
C)2πrl+πr²
D) 2πrl+2πr²​

Answer 1

Answer:

A)

hemisphere surface area= half of ( sphere surface area)=1/2×4πr^2=2πr^2

cone surface area=πrl