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प्रश्न
In the given figure below, decide whether l is parallel to m.
बेरीज
उत्तर
∠x + 123° = 180° (Linear pair)
∠x = 180° − 123° = 57°
For l and m to be parallel to each other, the corresponding angles (∠ABC and ∠x) should be equal. Here, their measures are 57° and 57°, respectively. Hence, the lines l and m are parallel to each other.
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