Question

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A rectangle is dilated by a scale factor of 5.

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.

Answer 1

Answer:

a) 40 cm by 15 cm

b) enlargement because the scale factor is greater than 1

Step-by-step explanation:

Using scale factor, we start with the dimensions of the original rectangle and multiply by the scale factor:

8 cm x 5 = 40 cm

3 cm x 5 = 15 cm

Since the dimensions are larger, the new image is an enlargement.

Answer 2

I agree with the previous answer