Review for DEUA

​Proportions, Triangle Congruence, and Transformations

Review for DEUA

proportions

A proportion is a pair of equivalent ratios.

Multiple Choice

• 2
• 12
• 108
• 18

Multiple Choice

• 9
• 12
• 18
• 1

Multiple Choice

• 3
• 4
• 12
• 8

Multiple Choice

Solve for x 

• x = 1/10
• x = 10
• x = 4
• x = 5

Multiple Choice

Enrique’s car can drive 500 miles on 20 gallons of gas. If he wants to drive 50 miles, how much gas will his car need?

• 2 gallons

• 5 gallons

• 100 gallons

• 50 gallons

Multiple Choice

A box of 4 cupcakes cost $9. At this same rate, how much would 2 cupcakes cost?

• $8.00

• $18.00

• $4.50

• $2.25

Triangle Congruence

Geometry

Multiple Choice

Complete the congruence statement.

• CRP
• PCR
• RPC
• PRC

Multiple Choice

∆ABC≅∆XYZ
which is true?

• AB≅XY
• AB≅YX
• AB≅XZ
• BC≅CB

Multiple Choice

∆ABC ≅ ∆LMN. Which statement is NOT true?

• LM ≅ AB
• ∆CAB ≅ ∆NLM
• ∠C ≅ ∠N
• BC ≅ ML

​This means that all 3 sides are congruent.

​​Side-Side-Side

​

​This means the 2 sides are congruent as well as the angle between them. (Order matters)

​​Side-Angle-Side

​

​This means the 2 angles are congruent as well as the side between them. (Order matters)

​​Angle-Side-Angle

​This means the 2 angles are congruent as well as the side beside (not between) one of the angles. (Order matters)

​​Angle-Angle-Side

​

​There are 4 Triangle Theorems that are used to prove that triangles are congruent.

Multiple Choice

Which triangle congruence theorem can be used to prove the triangles are congruent?

• SAS
• SSS
• ASA
• HL

Multiple Choice

Which triangle congruence theorem can be used to prove the triangles are congruent?

• SSS
• ASA
• AAS
• SAS

Multiple Choice

Name the postulate that makes the triangles congruent.

• SAS

• ASA

• AAS

• SSS

Multiple Choice

How are the triangles congruent?

• HL
• SSS
• SAS
• AAS

Multiple Choice

• Congruent by ASA

• Congruent by SAS

• Congruent by SSS

• Congruent by AAS

Multiple Choice

When you dilate the figure by a scale factor of 3, what is the location of B'?

• (12,0)

• (12,12)

• (4,3)

• (0,12)

Multiple Choice

Dilate Point A by a scale factor of 3:

• (12,0)

• (12,12)

• (4,3)

• (0,12)

Multiple Choice

The point (5,6) under a 180 degree rotation will be mapped where?

• (5,-6)

• (6,5)

• (-5, -6)

• (-6,5)

Multiple Choice

(4, -5) under a 90 clockwise rotation will be mapped where?

• (-5, -4)

• (4,5)

• (-5, 4)

• (-4, -5)

Multiple Choice

Describe the transformation in the iamge

• Translation

• Reflection

• Rotation

Multiple Choice

Is the picture being reflected in the y-axis or x-axis?

• y-axis
• x-axis

Multiple Choice

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Multiple Choice

Point C (-5, 4)

Reflect over the x-axis.

What is C'?

• (5, 4)

• (-5, -4)

• (5, -4)

• (-5, 4)