Question

find the curved surface area of a right circular cone of height 15cm and base diameter is 16cm

Answer 1

curved surface area of a cone is pi ×r×l
And l2=h2 +r2
now;
l2=225+64
l=17cm
c.s.a.=22/7×17×8
c.s.a.=427.42cm2

Answer 2

Answer:

Step-by-step explanation:

Csa of cone= 22/7×rl

=22/7×8×7.5

=188.57