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Question

Lines l and m are intersected by transversal n. The measures of two angles are given in the figure. Is l||m? Give reason for your answer.
1155359_8a477d18c6d64b1ebff9c21cf5bd24ed.png

Solution
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l+118o=180o (Linear Pair)
l=180o118o
l=62o
We know that if two lines are cut by transversal so that the corresponding angles are equal, then there lines are parallel
x=l=62o
and they are corresponding angles
l||m.

1093865_1155359_ans_c7c36d25a9514f019187de62f33c4b29.png

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1155359_8a477d18c6d64b1ebff9c21cf5bd24ed.png
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