Unit 5 Exam Review - 7th OL

Which statement about similar triangles is true? (7.5A)

• They have corresponding sides that are congruent.

• They have corresponding sides that are proportional.

• They have corresponding angles and congruent sides.

• They have the same shape, same angles, and same sides.

Answer explanation

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Edward drew a scale drawing of a hotel. The scale of the drawing was 1 inch = 4 feet. The actual length of a room in the hotel is 18 feet. How long is the room in the drawing?

• 45 in

• 7.2 in

• 4.5 in

• 72 in

• 7 in

Answer explanation

Tags

CCSS.7.G.A.1

Kelly uses a map to determine the distance from her house in Austin to her cousin’s house who lives in El Paso. The map uses a scale of 4 inches equals 100 miles. Kelly measures the distance on the map to be 23 inches. How far away is Kelly’s cousin in miles?

Answer explanation

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CCSS.6.RP.A.3B

Figure ABC is similar to Figure PQR.

Which proportion must be true for these figures?

• $\frac{AB}{PQ}=\frac{AC}{QR}$

• $\frac{RP}{AB}=\frac{PQ}{CA}$

• $\frac{BC}{CA}=\frac{QR}{PQ}$

• $\frac{AB}{BC}=\frac{PQ}{QR}$

Answer explanation

Tags

CCSS.HSG.SRT.A.2

The two parallelograms are similar.
What is the length in inches of  

 $\overline{NA}$  ?

• 39 in

• 40 in

• 48 in 

• 53 in 

Tags

CCSS.HSG.SRT.A.2

Jennifer created a scale drawing of a Hummer limosine as shown. The scale is 1 inch : 4 feet.

If the length of the limosine in Jennifer’s drawing is 7.5 inches, what is the length, in feet, of the actual limosine?

• 18 ft

• 30 ft

• 25 ft

• 35 ft

Answer explanation

Triangle ABC is similar to Triangle XYZ. 
 What is the length of 

 $\overline{XY}\ ?$  

• 17 cm

• 17.2 cm

• 18 cm

• 18.5 cm

• 15 cm

Answer explanation

Tags

CCSS.HSG.SRT.A.2

Quadrilateral JKLM is similar to quadrilateral PQRS.

Which statement about these quadrilaterals must be true?

• $\frac{LM}{RS}=\frac{MJ}{PQ}$

• Angle JKL is congruent to angle PQR.

• $\frac{JM}{QP}=\frac{LK}{PS}$

• Angle LMJ is congruent to angle QRS

Answer explanation

Tags

CCSS.HSG.SRT.A.2