Question

line P ll line Q. line R is their
transversal. find the value of x from the
given information​

Answer 1

given, P is parallel to line Q

R is a transversal

so, 120° = 3x+12 (because alternative angle)

=> 3x = 120°-12°

=> x = 108°/3

=> x = 36

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Answer 2

Answer:

3x + 12 = 120

=> 3x = 120 - 12 = 108

=> x = 108/3 = 36

Therefore, x = 36