Geometry and TrigonometryEasyVertically opposite angles
Geometry and Trigonometry practice question
Two straight lines cross. One of the four angles formed measures 35°. What is the measure, in degrees, of the angle directly opposite it?
Answer: 35
Vertically opposite angles are equal.
Common wrong answers
- If you answered 55
- 55 assumes the angles are complementary.
- If you answered 70
- 70 doubles 35.
- If you answered 145
- 145 is the measure of the angle next to it, not opposite.
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