Similar Sides and Proportions

In order for two polygons to be similar, what must be true about the sides and angles?

• All sides and angles are congruent

• All sides and angles are proportional

• Sides are congruent, Angles are proportional

• Sides and proportional, Angles are congruent

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Rectangle ABCD and rectangle DEFG are similar figures. Which of the following proportions is true for the figures?

Tags

CCSS.HSG.SRT.A.2

The pair of figures is similar. Find the missing side length.

• x = 10

• x = 4

• x = 2

• x = 5

Tags

CCSS.HSG.SRT.A.2

Find missing side length of the similar triangles

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

State if the triangles in each pair are similar. If so, state how you know they are similar.

• Yes, AA Similarity

• Yes, SSS Similarity

• Yes, SAS Similarity

• Not Similar

Tags

CCSS.HSG.SRT.B.5

Which proportion is true?

Tags

CCSS.HSG.SRT.A.2

Which proportion is true?

Tags

CCSS.HSG.SRT.A.2

Line CB corresponds with what line? 

• SR

• PQ

• SP

• RQ

Tags

CCSS.8.G.A.2

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they have the same shape and the same angles

• No, the ratio of corresponding sides are not equal 

• Yes, same shape

• No, different sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6