Geometry and TrigonometryEasyVertical angles with an expression
Geometry and Trigonometry practice question
Angles A and B are vertical angles. If angle A measures 3x degrees and angle B measures 75 degrees, what is the value of x?
Answer: 25
Vertical angles are equal, so 3x = 75 and x = 25.
Common wrong answers
- If you answered 35
- 35 treats the angles as supplementary.
- If you answered 75
- 75 is the angle, not x.
- If you answered 225
- 225 multiplies 75 by 3 instead of dividing.
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