Question

Please answer it as soon as possible.......These three parts​

Answer 1

Answer:

for 1 st question

the corresponding angle have sum =180

but here sum is 170 hence they are not parallel

Step-by-step explanation:

i. 2nd question

the altering angles have same measure here they have

hence they are parallel

in 3rd question

no they are not parallel by alternating angle theorem.

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Answer 2

Answer:

i)NO

ii)NO

iii)YES

Step-by-step explanation:

First, let us consider some properties of parallel lines

Corresponding angles are equal, alternative angles are equal, sum of interior angles on the same side of transversal is 180', sum of two different angles should be 180'

i)106+64=170'  (sum of interior angles)

as the sum of interior angles is not 180, the lines are not parallel.

ii)the which forms linear pair with angle 75' which is located on line m&n, is 180-75=85'

and 85+75=160' (sum of interior angles)

as the sum of interior angles is not 180, the lines are not parallel.

iii)57+123=180( as the sum of two different angles is 180', lines are parallel)

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