Question

check and state whether line l and m parallel or not ​

Answer 1

Answer:

2 and 3 rd are parallel

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Step-by-step explanation:

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Answer 2

Answer:

i) The lines are not parallel

In these lines angle 80° and angle 125° are corresponding angles

In the case of parallel lines, the corresponding angles are equal

In this figure 80° is not equal to 125°

Hence the line l and m are not parallel

ii) In this figure ,

110°=110° ( alternate interior angles are equal)

Hence the line l is parallel to m

iii) in this figure, angle 75° and 105° are supplementary ( consecutive interior angles are always supplementary)

105° + 75°=180°

180° = 180°

Hence the line l is parallel to m