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A rectangle is dilated by a scale factor of 4. a) The original rectangle is 8 cm by 3 cm. What are the dimensions of the new rectangle? b) Is the new image a reduction or enlargement? Explain.
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A rectangle is dilated by a scale factor of 4.

a) The original rectangle is 8 cm by 3 cm. What are the dimensions of the new rectangle?
b) Is the new image a reduction or enlargement? Explain.

User Wosis
by
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1 Answer

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A) The new dimensions would be 32cm by 12cm.
B) This is an enlargement.

To find the new dimensions, multiply the original dimensions by the scale factor. 8*4=32 and 3*4=12.

This is an enlargement because the copy is larger than the original.
User Pedropeixoto
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