### Home > MC2 > Chapter 7 > Lesson 7.1.3 > Problem 7-32

7-32.

Look at the similar shapes shown below.

What is the scale factor from shape A to shape B?

What is the factor between

and ? Multiply by

. Find the lengths of the missing sides.

Multiply each side from shape A by the scale factor to get the new sides for shape B.

Sketch a new shape C that is similar to shape A and has a scale factor of

. What do you know about the measures of the angles and sides on this new shape? Label them on your picture. When two shapes are similar and have a scale factor of one, what are they called?

Congruent