Intro to Similarity

What is the value of X?

• X=4

• X=6

• X=3

• X=2

Tags

CCSS.HSG.SRT.A.2

How many pairs of congruent angles in 2 triangles are needed to prove the 2 triangles are similar?

• 2 or 3

• 1

• 0

• only 3

Tags

CCSS.HSG.SRT.B.5

AB = 4.  After a dilation, A'B' = 10.  What is the scale factor for the dilation?

• 5/2

• 10

• 4

• 2/5

Tags

CCSS.8.G.A.3

If the triangles are similar, state how.

• SSS

• SAS

• AA

• Not similar.

Tags

CCSS.HSG.SRT.B.5

What choice shows the correct ratio between corresponding sides?

• 10/6 , 15/7.2, 18/4

• 10/4 , 15/6, 18/7.2

• 18/4 , 15/6 , 10/7.2

Tags

CCSS.HSG.SRT.A.2

What is the scale factor from triangle A to B?

• 0.5

• 3

• 4.5

• 2.5

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What choice shows the correct ratio between corresponding sides?

• 9/27 , 16/48 , 20/60

• 20/27 , 16/48 , 9/60

• 16/27 , 20/48 , 9/60

Tags

CCSS.HSG.SRT.A.2

How much smaller is triangle B than triangle A?

• 0.33

• 3

• 0.8

• 1.5

Tags

CCSS.6.G.A.1

If two polygons are similar, then the corresponding angles are ___________.

• congruent

• similar

• equal

• proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If two polygons are similar, then the corresponding side lengths are ___________.

• congruent

• similar

• equal

• proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6