CSA of cone is 12320(cm)sq.and radius is 56 cm.find height
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CSA of cone = πrl
πrl = 12320
22/7 × 56 × l = 12320
l = 12320 ×7 / 22 ×56
l = 86240 / 1232
l = 70 cm
height = √l ^2 - r ^2
height = √70^2 - 56 ^2
height = √ 4900 - 3136
height = √1764
height = 42 cm
hope it helps..
be brainly....
CSA of cone = πrl
πrl = 12320
22/7 × 56 × l = 12320
l = 12320 ×7 / 22 ×56
l = 86240 / 1232
l = 70 cm
height = √l ^2 - r ^2
height = √70^2 - 56 ^2
height = √ 4900 - 3136
height = √1764
height = 42 cm
hope it helps..
be brainly....
prachitayade:
thx
yaa
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