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Which pair of lines in fig are parallel? Given reasons |
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Answer» ∠A + ∠B = 115° + 65° = 180° Therefore, AB ‖ BC, as sum of co interior angles are supplementary. ∠B + ∠C = 65° + 115° = 180° Therefore, AB ‖ CD, as sum of co interior angles are supplementary. |
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