What happens to the volume of a cone when the radius is doubled

Answer 1

The volume of a cone is 1/3pihr^2, so if you double the radius the volume would quadruple.

1/3pih(2r)² = 1/3pih(2²)(r²) = 1/3pih4r² = 4/3pihr²

Answer 2

V = (1/3)hr^2

double r and

V = (1/3)h(2r)^2= (1/3)h(4r^2)

Volume quadruples when radius doubles