Geometry Angles Practice Test

What is the definition for an acute angle?

• A 90 degree angle

• An angle less than 90 degrees

• An angle greater than 90 degrees

• A 180 degree angle

Which of these is definitely a right angle?

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• 
• 
• 

How many degrees is a right angle?

• 90

• 180

• 45

• 360

If two angle add together to equal 90 degrees, what do we call that?

• Supplementary

• Complementary

• Vertical

• Adjacent

What word describes these angles?

• Vertical

• Adjacent

• Complementary

• Supplementary

A straight angle (i.e a straight line) is how many degrees?

• 90

• 180

• 270

• 360

If two angles add together to equal 180 degrees, what do we call that?

• Supplementary

• Complementary

• Adjacent

• Vertical

What word would best describe these angles?

• Vertical

• Complementary

• Congruent

• Supplementary

When you see two angles with the same number of hatch marks, what do we know about those angles?

• They combine to equal 90 degrees (complementary)

• They are equal to each other (congruent)

• They combine to equal 180 degrees (supplementary)

• They are next to each other and share both a line and vertex (adjacent)

What words best describes angle 1 and angle 2?

• Vertical angles

• Supplementary angles

• Adjacent angles

• Complementary angles