Acone has a base radius of 7 centimeters and a height of 21 centimeters.

what is the volume of the cone?

a.
28π cm^3

b.
49π cm^3

c.
147π cm^3

d.
343π cm^3

yes

yes yes yes

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

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step-by-step explanation:

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d. you cannot tell because there are no values shown.