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CBSE Class 9 Answered

diameter of the base of a cone is 10.5cm and its slant height is 10cm. Find its curved surface area
Asked by anmolmahali | 14 Nov, 2019, 07:33: PM
answered-by-expert 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 | 15 Nov, 2019, 09:17: AM
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