Determining Angles from Straight Lines and 90 Degrees

What is the size of angle x?

• 180

• 70

• 60

• 50

What is the measurement of x?

• 180

• 50

• 55

• 72

Find the value of ∠A.

• 20 degrees

• 90  degrees

• 110 degrees

• 180 degrees

a straight angle equals to

• 180 degrees

• 360 degrees

• 90 degrees

What is the measure of the missing angle?

• 29

• 19

• 119

• 129

A straight angle is ___ degrees

• 360

• 180

• 90

• True

• False

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight