Q14. If 1||m. Find the value of x and y.
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Step-by-step explanation:
Here l∥m and p is transversal
Therefore (3x+20)
o
+(5x−8)
o
=180
o
(sum of the interior angles on the same side of a transversal)
3x+20
o
+5x−8
o
=180
o
8x+12
o
=180
o
8x=180
o
−12
o
8x=168
o
x=
8
168
o
=21
o
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