Circle B has a radius of 7.2in. Find the diameter of circle B dilated by a factor of 8.1

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asked May 9, 2018 18.7k views

1 Answer

Tausif · Answer 1 · 2018-05-13T23:05:16+0000

Since the scale factor is greater than 1, this dilation will be an enlargement. Therefore, you multiply 7.2 times 8.1 to get 58.32. This question asks for diameter, so multiply 58.32 times 2 to get 116.64 in.

Circle B has a radius of 7.2in. Find the diameter of circle B dilated by a factor of 8.1

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