Math, asked by kannannits, 2 months ago

The radius and the slant height of a cone are in the ratio 7:13 and the curved surface area is 286 cm2 . Then its radius is​

Answers

Answered by adarsh12ap
1

Answer:

r= 7cm

Step-by-step explanation:

r/l = 7/13

l = 13r/7

curved surface area of cone = πrl

286 = 22/7×r×13r/7

286×49/286 = r^2

49 = r^2

7cm = r

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