Topic 7 Similarity

Given △STU and △DEF, what is m∠U?

• 29º

• 46º

• 105º

• cannot be determined

Tags

CCSS.HSG.CO.B.7

A figure containing the point A(2, 5) is dilated by a scale factor of 3. What are the coordinates of the point A' in the image?

• (5, 8)

• (2, 5)

• (6, 15)

• (2/3, 5/3)

Tags

CCSS.8.G.A.3

Quadrilateral NDPM was dilated to quadrilateral N'D'P'M'. What was the scale factor for this dilation?

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3

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

The triangles are similar, solve for the question mark.

Tags

CCSS.HSG.SRT.A.2

Complete each proportion.

CB / DM = AC / ?

• BM

• MA

• BC

• AD

Tags

CCSS.HSG.SRT.B.4

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• SSS

• AA

• SAS

• not similar

Tags

CCSS.HSG.SRT.B.5

Determine if the triangles are similar. Justify.

• Yes, by SSS.

• Yes, by SAS. Scale Factor is 1:2.

• Yes, by SAS. Scale Factor is 3:1.

• No, not similar.

Tags

CCSS.HSG.SRT.B.5

Find the missing side using proportions.

• a

• b

• c

• d

Tags

CCSS.HSG.SRT.A.2

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, SSS

• Not Similar

• Yes, SAS

• Yes, AA

Tags

CCSS.HSG.SRT.B.5