Question

The circumference of the base of a 12m high cone is 22m. Find the volume of cone. (Use pie value 22/7)

Answer 1

Answer:

Circumference is 2πr = 22cm

so r = ( 22 × 7 ) / ( 2 × 22 ) = 3.5cm

Volume of cone = V = πr²h/3 = ( 22 / 7 ) × 3.5 × 3.5 × ( 12/3 ) = 1078 / 7 = 154 cm³ ✌