alleryTwo straight lines cross. One angle formed is 50 degrees. The angle opposite to it is what?
A50 degrees
B40 degrees
C130 degrees
D100 degrees
Answer & Solution
Correct answer: A. 50 degrees
1. Opposite angles formed by two crossing lines are vertical angles.
2. Vertical angles are always equal.
3. So the opposite angle is also 50 degrees. The neighbouring angles are 130 degrees.
_Source: Wikipedia, Angle (CC BY-SA 4.0), Adjacent and vertical angles_
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