A cone with volume 1350 m³ is dilated by a scale factor of 1/3.

What is the volume of the resulting cone?



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______ m³

Respuesta :

Answer: The answer is 50 m³.

Step-by-step explanation: We are given to find the volume of the cone cone after being dilated by a factor of one-third from a cone with volume  1350 m³.

The volume of a cone with base radius 'r' units and height 'h' units is given by

[tex]V=\dfrac{1}{3}\pi r^2h.[/tex]

Therefore, if 'r' is the radius of the base of original cone and 'h' is the height, then we can write

[tex]V=\dfrac{1}{3}\pi r^2h=1350\\\\\\\Rightarrow \pi r^2h=4050.[/tex]

Now, if we dilate the cone by a scale factor of [tex]\dfrac{1}{3}[/tex], then the radius and height will become one-third of the original one.

Therefore, the volume of the dilated cone will be

[tex]V_d=\dfrac{1}{3}\pi (\dfrac{r}{3})^2\dfrac{h}{3}=\dfrac{1}{81}\times \pi r^2h=\dfrac{1}{81}\times 4050=50.[/tex]

Thus, the volume of the resulting cone will be 50 m³.

Answer:

50 m

Step-by-step explanation:

just took the test to prove it was the right answer:)

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