- A120
- B54
- C66
- D60
Step-by-Step Solution
Let north angle = . East angle = . They are a linear pair: deg.
Answer: D) 60
Two roads cross. The angle on the east side is twice the angle on the north side, and these two angles form a linear pair along one road. Find the angle on the north side.
Class 9Linear Pair and Vertically Opposite AnglesGeometry — Lines and Angles
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