Dilations of Triangles Similar

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

Tags

CCSS.HSG.SRT.B.5

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  What is AB to the nearest meter?

• 10

• 12

• 15

• 18

Tags

CCSS.HSG.CO.C.9

• 7

• 12

• 6

• 4

Tags

CCSS.HSG.SRT.A.2

Find side length X.

• 16

• 18

• 2.4

• 15

Tags

CCSS.HSG.SRT.A.2

The triangles are similar, solve for the question mark.

• 8

• 20

• 18

• 24

Tags

CCSS.HSG.SRT.B.4

Triangle ABC is dilated so that the coordinates of C' are (2, -1).  What was the scale factor of the dilation?

• 3

• 2

• 1/2

• 1/3

Tags

CCSS.8.G.A.3

State the postulate that proves these triangles are similar.

• SSS

• AA

• SAS

• Not similar

Tags

CCSS.HSG.SRT.B.5

Dilations of a triangle are similar to the original triangle.

• True

• False

Tags

CCSS.8.G.A.3

Triangle ABC will be dilated by a scale factor of 1/2. What will be the coordinates of B'?

• (-4,4)

• (-1,1)

• (1,-1)

• (1,1)

Tags

CCSS.8.G.A.3

Triangle JKL will be dilated with a scale factor of 3/2. What will be the coordinates of J'?

• (3,9)

• (9,3)

• (1.5, 4.5)

• (4.5, 1.5)

Tags

CCSS.8.G.A.3