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If half of a right angle is 45 degrees,

what is the measurement of a right angle?

what is the measurement of a right angle?

A 180 degree angle is the same as a _____ angle.

A

straight

B

obtuse

C

right

D

acute

If Angle A + Angle B = 90 degrees, and Angle A is 30 degrees, how much is Angle B?

A

30 degrees

B

60 degrees

C

90 degrees

D

120 degrees

If Angle A + Angle B = 180, and Angle A is 70 degrees, how much is Angle B?

A

20 degrees

B

80 degrees

C

90 degrees

D

110 degrees