Geometric Theorems

What is the measurement of the missing angle?

• 150°
• 30°
• 180°
• 60°

Which of the following theorems/postulates would verify that ∠COB & ∠AOD are congruent?

• Straight Angle Theorem

• Congruent Compliments Theorem

• Vertical Angles Theorem

• Linear Pair Theorem

If the ray HK is bisecting ∠GHJ, then what reason would you use to say ∠GHK is congruent to ∠KHJ?

• Definition of Midpoint

• Definition of Angle Bisector

• Definition of Congruent

• Definition of Segment Bisector

Given that ∠ABD ≅∠CBE, what definition allows you to conclude that m∠ABD=m∠CBE?

• Definition of Angle Bisector

• Definition of Segment Bisector

• Definition of Midpoint

• Definition of Congruent

Identify the property you would use to solve this equation:
4x = 72

• Addition Property of Equality
• Subtraction Property of Equality
• Multiplication Property of Equality
• Division Property of Equality

Identify the property you would use to solve this equation:

y – 7 = 28

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

The Side-Side-Side Similarity (SSS ~) Theorem states if the corresponding sides of two triangles are _____________________, then the triangles are _________________.

• proportional; similar

• similar, proportional

• congruent; congruent

• equal; equilateral

State the postulate that proves these triangles are similar.

• AA~

• SAS~

• SSS~

• AAS~

Name the postulate, if possible, that makes the triangles congruent.

• SSS
• SAS
• ASA
• Not Possible

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

• SAS
• SSS
• ASA
• HL