Similarity Warm Up

What is the scale factor from the smaller triangle to the larger triangle?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

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

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2

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

Solve for x. The two figures are similar.

• x = 6

• x = 9

• x = 7

• x = `0

Tags

CCSS.HSG.SRT.A.2

The ratio of the areas of two similar rectangles is 1:4. What is the ratio of the corresponding sides?

• 1:6

• 1:8

• 1:2

• 1:4

Find the measure of x:

• 6

• 24

• 33

• 36

Tags

CCSS.HSG.SRT.A.2

Similar figures have the same ______ but different ______. 

• measure; shapes

• sizes; shapes

• value; measures

• shape; sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What scale factor was used to produce the image?

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.7.G.A.1

State the scale factor
A(5, 6)
A' (15, 18)

• 3

• 4

• 1/3

• 1/4

Tags

CCSS.7.G.A.1

What is the scale factor from ΔABC to ΔDEF?

• 1/2

• 7/3

• 2

• 10/3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2