The radius & slant height of a cone are in ratio 4:7. If its curved surface area is792cm^2 ,find its radius
Answers
Answered by
0
I hope that the answer is correct and if yes then please follow me or mark me as Brainliest answer.
Attachments:
Answered by
1
Hello...
r/l = 4/7
l = (7/4)r
C.S.A = 792 cm²
r = ?
C.S.A of cone = πrl
πrl = 792
(22/7) (r) (7/4)r = 792
r² = 144
r = √144
r = 12 cm
r/l = 4/7
l = (7/4)r
C.S.A = 792 cm²
r = ?
C.S.A of cone = πrl
πrl = 792
(22/7) (r) (7/4)r = 792
r² = 144
r = √144
r = 12 cm
Similar questions