Geometry and TrigonometryEasySupplement of an angle
Geometry and Trigonometry practice question
Two angles form a straight line. One measures 100°. What is the measure, in degrees, of the other?
Answer: 80
180 − 100 = 80.
Common wrong answers
- If you answered 10
- 10 subtracts from 90 and slips.
- If you answered 100
- 100 repeats the given angle.
- If you answered 260
- 260 uses 360.
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