Polygons Practice

Are the polygons similar? If so, what is the scale factor to make the smaller match the larger?

• Not Similar

• Similar, scaled by 6/5

• Similar, scale by 5/6

• Similar, scaled by 2

The polygons are similar. What is the ratio of the smaller figure to the larger one.

• 6:7

• 1:2

• 4:5

• 5:9

Are the two polygons similar? If so, what is the similarity ratio?

• Not similar

• Similar, ratio = 2:13

• Similar, ratio = 5:29

• Similar, ratio = 1:6

The polygons are similar. Find the missing side.

• 50

• 28

• 35

• 21

The polygons are similar. Find x.

• 11

• 6

• 13

• 5

The polygons are similar. Find x.

• 8

• 6

• 10

• 5

The below polygon is scaled so it can be fit on a piece of paper. It represents a building being constructed where the height y is 25 feet. How long is the base of the building?

• 30 feet

• 35 feet

• 40 feet

• 45 feet

Find the sum of the interior angles for the polygon.

Answer explanation

The sum of the interior angles in a polygon is 3,240^o. How many sides are in the polygon?

• 10 sides

• 22 sides

• 18 sides

• 20 sides

Answer explanation

Name this polygon.

• Octagon

• Nonagon

• Decagon

• Dodecagon