the area of a base of a cone is 616 sq cm . its height is 48 cm then its total surface area is
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22/7 * r * r=616
r^2=616 *7/22
=196
r=14cm
Total surface area =22/7*r(r+l)
I^2=h^2+r^2
=48^2+14^2
=2500
I=50cm
Total surface area =2813.44 sq cm
r^2=616 *7/22
=196
r=14cm
Total surface area =22/7*r(r+l)
I^2=h^2+r^2
=48^2+14^2
=2500
I=50cm
Total surface area =2813.44 sq cm
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