Question

Find the value of x for which the lines l and m are parallel. answers : 10 14.3 16.6 15

Answer 1

Answer:

15°

Step-by-step explanation:

Sum of co- interior angles = 180°

$5x + 13 + 11x - 73 = 180 \\ 16x - 60 = 180 \\ 16x = 240\\ \frac{16x}{16} = \frac{240}{16} \\ x = 15°$

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Answer 2

Answer:

15

Solution,

5x+13+11x-73=180°( sum of co-interior angles)

or,5x+11x+13-73=180°

or,16x-60=180

or,16x=180+60

or,16x=240

or,x=240/16

x=15

Hope it helps

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