### Home > MC2 > Chapter 9 > Lesson 9.2.3 > Problem 9-64

9-64.

The perimeter of one shape is

How many times larger are the sides of the large shape than the corresponding sides of the smaller shape?

According to the Math Notes box from Lesson 4.4.2:

The

**perimeter ratio**is. Find the perimeter of the two example shapes in the Math Notes box and check that the relationship follows this same rule.

How many times larger is the area?

According to the Math Notes box from Lesson 4.4.2:

The

**area ratio**is. Find the area of the two shapes in the Math Notes box and check that the relationship follows this rule. What did you find?