Review on Angles

Angles are formed when

• two lines are opposite each other.

• two lines meet at a point.

• two lines are formed separately.

• no lines meet each other.

What are the lines of an angle call?

• Vertical

• Segments

• Rays

• Horizontal

Another word for a point in an angle is

• a turn

• segments

• rays

• vertex

A protractor is used to measure angles.

• True

• False

An acute angle measures

• less than 90 degrees.

• More than 90 degrees.

• exactly 90 degrees.

• exactly 110 degrees.

An obtuse angle measures

• more than 180 degrees.

• more than 90 degrees but less than 180 degrees.

• Less than 90 degrees but more than 45 degrees.

• exactly 90 degrees.

A right angle measures

• Less than 90 degrees.

• More than 90 degrees.

• exactly 90 degrees.

• exactly 180 degrees.

A straight angle measures

• exactly 360 degrees

• more than 180 degrees.

• exactly 180 degrees.

• exactly 230 degrees.

A reflex angle measures

• exactly 90 degrees.

• exactly 180 degrees.

• more than 90 degrees but less than 180 degrees.

• more than 180 degrees but less than 360 degrees.

The circle or full rotation measures

• exactly 360 degrees.

• more than 360 degrees.

• less than 360 degrees.

• more than 90 degrees but less than 180 degrees.