Question

In the figure given below , find the value of x for which the lines l and m are parallel​

Answer 1

Answer:

If line l parallel to m

then

140+2x+10=180°(co interior angles are supplementary)

150+2x=180

2x=180-150

2x=30

x=30/2

x=15°

therefore the angle is

2x+10=2×15+10=40°

also

40+140=180°

180=180

L.H.S=R.H.S

hence verified

hope it helps

Answer 2

Answer:

the value of x is 15

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