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victus00 [196]
3 years ago
9

The volume of a prism changes from 20 to 540 after a dilation. what was the scale factor of the dilation?

Mathematics
2 answers:
lyudmila [28]3 years ago
7 0
Scale factor is used by architects or engineers to transfer their prototype idea to large-scale use. If the volume of a prism is 20, you need to multiply its dimensions with a scale factor to find the new volume which is 540. For example, if the volume is doubled, this means you used a scale factor of 2. Hence, you just have to divide the new volume by the smaller volume.

Scale factor = 540/20
Scale factor = 27
lianna [129]3 years ago
4 0

Answer:

The scale factor is 3 : 1.

Step-by-step explanation:

We know that,

The scale factor of the dilation of a prism is the cube root of the ratio of the volume of resultant prism after dilation and the volume of the given prism,

Here, the volume of prism before dilation = 20 cube unit,

And, the volume of the prism after dilation = 540 cube unit,

Thus, by the above statement,

\text{The scale factor of dilation}=\sqrt[3]{\frac{540}{20}}

=\sqrt[3]{27}

=3

Hence, the scale factor is 3 : 1.

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