Ratios and Similar Polygons

The triangles shown are similar. What is the scale factor?

Answer explanation

Possible Answers:

3

1/3 = ~0.33333

Tags

CCSS.7.G.A.1

An equation stating two ratios are equal is called a __________.

Tags

CCSS.7.RP.A.2A

In a triangle, the ratio of the measure of the sides is 2:2:3 and the perimeter is 392 inches. Find the length of the longest side of the triangle.

• 56 inches

• 84 inches

• 168 inches

• 112 inches

Tags

CCSS.3.MD.D.8

Draw two polygons that are similar.

Answer explanation

Similar Polygons are the same shape.

Corresponding angles are congruent and side lengths are proportional.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The triangles shown are similar. What is the scale factor?

Answer explanation

Possible answers:

69/18 = 23/6 = ~3.8333

18/69 = 6/23 = ~0.2609

Tags

CCSS.7.G.A.1

The ratio of the measures of the angles of a triangle is 3:3:4. Find the measures of the angles.

• 50, 50, and 80

• 30, 30, and 40

• 59, 59, and 62

• 54, 54, and 72

Tags

CCSS.8.G.A.5

• 1

• 15

• 5

• 8

Tags

CCSS.7.RP.A.2B

_______ polygons have the same shape but not necessarily the same size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A _____ is a comparison of two quantities using division.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Similar polygons are ______ congruent.

• always

• sometimes

• never

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6