Quiz review - Ratios, Similarity and Proportions

Solve for x

• 1/2
• 25/8
• 11
• 53/4

Tags

CCSS.7.EE.B.4A

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Solve the proportion:

 $\frac{x}{8}=\frac{4}{5}$  

• 6.4

• 6.1

• 7.2

• 7

Tags

CCSS.7.RP.A.2B

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Tell whether the two figures are similar. Explain your reasoning. (Hint: are they proportional?)

• Yes, similar because they are the same shape and side lengths are proportional.
• No, not similar because they are the same shape, but side lengths are not proportional.
• Yes, same shape
• No, different sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Are they similar?

• Yes, the angles are congruent and the side lengths are proportional.

• No, the angles are congruent, but the side lengths are not proportional.

• No, the side lengths are proportional, but the angles are not congruent.

• No, the side lengths are not proportional, nor are the angles congruent.

Tags

CCSS.HSG.SRT.A.2

 $\Delta PQR\sim\Delta STU$ . Which proportion can be used to solve for n?

•  $\frac{5}{15}=\frac{n}{12}$  

•  $\frac{15}{5}=\frac{n}{12}$  

•  $\frac{13}{n}=\frac{12}{36}$  

•  $\frac{13}{n}=\frac{36}{12}$  

Tags

CCSS.HSG.SRT.A.2

 $If\ \Delta TGR\ \sim\ \Delta IGE,\ then\ which\ statement\ is\ true?$  

• $\frac{RT}{EI}=\frac{ER}{GE}$

• TR = IE

• GR = TG

• $\frac{RT}{EI}=\frac{RG}{EG}$

Tags

CCSS.HSG.SRT.A.2

A telephone booth that is 8ft tall casts a shadow that is 4ft long. Find the height of a lawn gnome that casts a 2ft shadow.

• 2 ft

• 4 ft

• 6 ft

• 8 ft

Tags

CCSS.HSG.CO.C.9

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.HSG.CO.C.10