What is the volume of a cone that has a circumference of 309 feet and a height of 18 feet

V = 45,235 ft³

Step-by-step explanation:

The general formula for the volume of a cone:

V = πr³, where r = radius

Given the circumference of 309 feet, you can solve to find the radius of the cone:

C = 2πr or 309 = 2πr

Divide by 2π: 309/2π = 2πr/2π

Solve: r ≈ 49

V =

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step-by-step explanation:

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step-by-step explanation:

there is a formula i can give you:

it is r^2*n*sin(360/n) divided by 2 where r represents the "radius" and n is the number of sides.

plug them in:

(10sqrt(3))^2*6*sin(360/6) divided by 2

100*3*6*sin(60) divided by 2

900*sin(60)

900*sqrt(3)/2

450*sqrt(3)

approx is 779.4 cm^2