Question

The volume of a cone with a height of 10 meters is 20 m cubic meters. What is the diameter of the cone?

Answer 1

1.38m

Explanation:

cone volume= 1/3 πr²h

so 20 = 1/3 * πr² * 10

so πr² = 6

so r² = 6/3.14 =1.91

so r = √1.91

r =1.38