Geometry Quiz in Ratios and Proportions and Similar Polygons

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Solve for x. The two figures are similar.

• x = 6

• x = 9

• x = 7

• x = `0

Find x and y.

• 4, 24

• 9, 12

• 6, 8

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

• 2:5

• 5:3

• 3:5

• 2:3

The figures below are similar. The labeled sides are corresponding.

What is the ratio of the perimeter of the smaller pentagon to the larger pentagon?

• 9:5

• 25:81

• 5:9

• 81:25

• A

• B

• C

• D

The ratio of similarity of the figures below is 5/3. What is the ratio of the perimeters?

• 3/5

• 5/3

• 25/9

• 9/25

If pentagon FGHIJ and Pentagon PQRST are similar, what is the length of line segment QR?

• 3.5 cm

• 4.2 cm

• 5.0 cm

• 5.2 cm

What is the perimeter of the smaller hexagon? Set up a proportion comparing the two sides and the two perimeters.

• 5 cm

• 1/6 cm

• 6 cm

• not enough info

Similarity Ratio: _

• 2/3

• 1/2

• 2

• 3