Vertical angles
Vertical angles are opposite each other where two lines cross, and they are equal.
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Two straight lines cross. One of the angles measures 75°. How many degrees is the angle directly opposite it (the vertical angle)?
Answer: 75
Two straight lines cross. One of the angles measures 64°. How many degrees is the angle directly opposite it (the vertical angle)?
Answer: 64
Two straight lines cross. One of the angles measures 12°. How many degrees is the angle directly opposite it (the vertical angle)?
Answer: 12
Tip: Vertical angles are opposite each other where two lines cross, and they are equal.
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