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

Asked by anmolmahali | 14th Nov, 2019, 07:33: PM

Expert Answer:

The diameter of the base of a cone is 10.5 cm.
d = 10.5 cm then r = 10.5/2 = 5.25 cm
l = 10 cm
Curved suraface area of cone = ∏rl = 22/7 × 5.25 × 10 = 165 cm2 

Answered by Sneha shidid | 15th Nov, 2019, 09:17: AM