Finding Value of Unknown Angles

• math

02:59

03:24

If half of a right angle is 45 degrees,
what is the measurement of a right angle?

03:44

Remember!

All right angles equal 

90 degrees!!!

04:19

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

1. straight
2. obtuse
3. right
4. acute

05:59

Remember!

A circle measures

360 degrees!

07:37

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

1. 30 degrees
2. 60 degrees
3. 90 degrees
4. 120 degrees

08:33

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

1. 20 degrees
2. 80 degrees
3. 90 degrees
4. 110 degrees

09:13

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