Jay enlarged figure A so that it was similar to figure B. His diagram is shown at right. Homework Help ✎
What is the scale factor?
What is the value of x? How do you know?
Read Math Notes box in Lesson 7.1.1 to determine how to write a scale factor.
Remember a scale factor is a ratio (fraction).
Which side of figure A corresponds to side x in figure B?
Multiply that side length by the scale factor you found in part (a)..