Math Geometry and Similar Figures

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

Tags

CCSS.HSG.SRT.A.2

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

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

Tags

CCSS.HSG.SRT.A.2

Are these triangles similar?

• Yes

• No

Tags

CCSS.HSG.SRT.A.2

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

∆EFG is similar to ∆HJK. Determine the scale factor of the larger figure to the smaller figure. Take your time!

• 1/3

• 3

• 3 1/3

• 7

Tags

CCSS.7.G.A.1

The figures are similar. Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

The figures are similar. What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Which triangle is similar to the above triangle ?

• A

• B

• C

• D

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6