Question

23. The curved surface area of a right circular cone of
height 84 cm and diameter 70 cm is
(A) 10010 cm
(B) 100000 cm
(C) 10020 cm
(D) 11000 cm​

Answer 1

Answer:

option A is the correct. answer 10010cm²

Answer 2

Answer:

(A) 10,010

Step-by-step explanation:

The curved surface area of a cone is given by Pie*r*l

Here for finding the slant Height:

l^2=r^2+h^2

l^2=35^2+84^2

l=91

22/7*35*91

=10,010cm^2