Question

the covered surface area of a cone is 12320 sq centimetre if the radius of its base is 56 centimetre find its height

Answer 1

hope this answer helps u

Answer 2

CSA of cone =12320cm2
πrl=12320
22/7×56×l=12320
22×8×l=12320
l=12320/22×8
l=70cm

h=√l2-r2
h=√4900-3136
h=√864
h=29.34cm. ans