Similar Shapes and Scale

Sides in similar figures must be proportional.  

• True

• False 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 

• proportional, congruent 

• congruent, congruent

• proportional, proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

• 9

• 8

• 7

• 6

Tags

CCSS.7.RP.A.2B

• 4

• 3

• 2

• 1

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

• 12

• 13

• 14

Tags

CCSS.7.RP.A.3

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

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

• Yes, same shape

• No, different sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Triangle ABC and XYZ are similar.  Use your knowledge of scale factor to find the length of X.

• 20

• 25

• 100

• 40

Tags

CCSS.HSG.SRT.A.2

What is the scale factor of these similar shapes?

• 10

• 7

• 9

• 11

Tags

CCSS.7.G.A.1

The pair of figures are similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2

• 4

• 5

• 6

• 8

Tags

CCSS.HSG.SRT.B.4