7.2 Similar Polygons

7.2 Similar Polygons

Multiple Choice

There are 480 sophomores and 520 juniors in a high school. Find the ratio of juniors to sophomores.

• 10:8

• 13:12

• 19:17

• 22:20

Multiple Choice

A strip of wood molding that is 33 inches long is cut into two pieces whose lengths are in the ratio of 7:4. What are the lengths of the two pieces?

• 7 in., 4 in.

• 14 in., 8 in.

• 18 in., 15 in.

• 21 in., 12 in.

Multiple Choice

• 7

• 8

• 9

• 10

Multiple Choice

• 2.75

• 3.25

• 3.75

• 4.25

Multiple Choice

• 4

• 3

• 2

• 1

Multiple Choice

The standard ratio of a photo’s width to its length is 1/4. What is the length of a photo that has a width of 14 inches?

• 9.3 inches

• 17 inches

• 20 inches

• 56 inches

Multiple Choice

Multiple Choice

Multiple Choice

Multiple Choice

The two polygons are similar. Solve for a.

• a = 1.4

• a = 3.75

• a = 2.4

• a = 2

Multiple Choice

The two polygons are similar. Solve for a.

• 1.2

• 2.1

• 7.2

• 9.3

Multiple Choice

If LMNOP ~ VWXYZ, find the perimeter of each polygon.

• LMNOP = 40, VWXYZ = 30

• LMNOP = 32, VWXYZ = 24

• LMNOP = 45, VWXYZ = 40

• LMNOP = 60, VWXYZ = 45