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

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

User Viderizer
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1 Answer

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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.
User Tausif
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