Topic 7 Review Geometry

Dilate point C by a scale factor of 4.

• (1.5, -0.75)

• (0, 12)

• (-8, -20)

• (24, -12)

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

• 2

• 3

• 1/3

• 1/2

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Determine how to translate triangle ABC to triangle A'B'C'.

• (x-2, y+5)

• (x+2, y-9)

• (x-2, y+9)

• (x-9, y+2)

Find the scale factor of the dilation.

Mathematical Equivalence

ON

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

The triangles are similar, solve for the question mark.

Complete each proportion.

CB / DM = AC / ?

• BM

• MA

• BC

• AD

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.

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

• Yes, SSS

• Not Similar

• Yes, SAS

• Yes, AA