In the adjoining figure, the value of x that will make the lines l and m parallel is:
(a) x = 20°
(b) x = 30°
(c) x = 60°
(d) x = 80°
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Answer:
Question:- Find x
Given:-
L parallel to M
N is a transversal
Solution:-
If L parallel to M
and N is a transversal
then
5x+4x=180° (co interior angles are supplementary)
9x=180
x=180/9
x=20°
therefore the angels are
4x=4×20=80
5x=5×20=100
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