3 years ago

What is b if the area is 140 units

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

8 0

Answer:

what are the options?

Step-by-step explanation:

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The volume of a cone is 3πx3 cubic units and its height is x units.

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It is given that the volume of a cone = $3 \pi x^{3}$ cubic units

Volume of cone with radius 'r' and height 'h' = $\frac{1}{3} \pi r^{2}h$

Equating the given volumes, we get

$3 \pi x^{3}$ = $\frac{1}{3} \pi r^{2}h$

$r^{2} h =3 \times 3 x^{3}$

$r^{2} h =9 x^{3}$

It is given that the height is 'x' units.

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Therefore, r = 3x

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