Question

diameter of the base of a cone is 10.5 cm and its slant height is 10 cm find the curved surface area of cone

Answer 1

d:10.5
r: 5.2
csa
$\pi \times r \times l$
22/7 x 5.2 x 10

Answer 2

Curved surface area is (pie×r×l)
22/7×5.25×10
165cm^2