Question

activity 4.4.1 - dilations

1. rectangle a is dilated to form rectangle b

what scale factor was used? enter the answer and also provide a 1 - sentence explanation that describes how you determined your answer.

Explanation:

Step1: Divide corresponding side lengths

$\frac{20}{4}=5$ and $\frac{30}{6}=5$

Answer:

1. The scale - factor is found by dividing the side lengths of rectangle B by the corresponding side lengths of rectangle A.