7.1-7.3 QUIZ Ratio, Proportions and Similar Triangles

Select TWO more ways to write the ratio of x to y.

• x:y

•  $\frac{x}{y}$  

•  $\frac{y}{x}$  

• y:x

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Are the two triangles Similar?

• Yes, by the SSS postulate

• Yes, by the SAS postulate

• Yes, by the AA postulate

• No, they are NOT similar

Tags

CCSS.HSG.SRT.B.5

Given that 30a = 12b, find the ratio of a:b in simplest form.

• 2:5

• 5:2

• 360:1

• 1:360

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion.

• 8.67

• .12

• .18

• 5

Tags

CCSS.7.EE.B.3

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Tags

CCSS.HSG.SRT.A.2

A picture of a school’s mascot is 16 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner?

• 81 in

• 7.1 in

• 36 in

• 62 in

Tags

CCSS.7.G.A.1

The ratio of the side lengths of a triangle is 2:4:8, and its perimeter is 44.8 cm. Find the length of the longest side.

• 14.9 cm

• 11.92 cm

• 22.4 cm

• 25.6 cm

Tags

CCSS.7.G.A.1

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.SRT.D.10

CCSS.HSG.SRT.D.11

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

Determine whether the triangles are similar or not. If so, state how they are similar.

• Yes, by AA Similarity

• Yes, by SAS Similarity

• Yes, by SSS Similarity

• No, not similar

Tags

CCSS.HSG.SRT.B.5