Straight Angles

What type of angle is shown?

• acute

• obtuse

• right

• straight

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

• 15
• 16
• 18
• 19

A straight angle is...

• exactly 180^o

• exactly 90^o

• less than 180^o more than 90^o

• less than 90^o

A straight angle measures

• 90 degrees

• 80 degrees

• 180 degrees

• 140 degrees

A straight angle has a measure of ______ degrees.

• 360

• 180

• 45

• 90

How many degrees is a straight angle?

• 90

• 360

• 180

• 145

Define Straight Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

How many degrees are in a straight line?

• 360

• 210

• 90

• 180

What is a straight angle?

• two rays that go on forever.

• 90 degree angle

• a straight line

• An angle that equals 180 degrees.