Question

2
n
With the information
х
120°
given in the figure and
line 1 || line m, then the
value of x is .......
т​

Answer 1

Answer:

b=128 degree and a= 52 degree

Explanation:

Given:l∥m

sum of the interior angles on the same side of transversal is 180  degree

b+52  = 180 degree

⇒b=180 degree −52 degree =128 degree

And a=52 degree

∴a=52 degree and b=128 degree

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