Angle Understanding/Measurement

Find the value of x.

• 38°
• 52°
• 142°
• 152°

Angles whose measure sum up to 180 degrees.

• Vertical

• Adjacent

• Complementary

• Supplementary

An angle whose measure is exactly 90 degrees.

• acute
• vertical
• right
• straight

How many degrees is a straight angle?

• 90
• 360
• 180
• 145

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What point do these perpendicular lines intersect at?

• O
• Q
• P
• 4

Name a segment that is parallel to NP.

• MR
• PR
• QP
• MN

This is what kind of angle?

• acute
• obtuse
• right
• straight

This is what kind of angle?

• right
• acute
• obtuse
• straight

This is what kind of angle?

• obtuse
• right
• straight
• acute

Angles are measured using a ______.

• compass
• protractor
• ruler
• prospector