The lines l and m are parallel to each other.
Find the value of x.
Hence find both the angles
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Step-by-step explanation:
Here in the given figure,
As the lines l and m are parallel to each other,
∴ (7x-20)° = (3x+20)° [∵Corresponding angles]
=> 7x-20 = 3x+20
=> 7x-3x = 20+20
=> 4x = 40
=> x = 40/4
= 10°
So, the value of x=10°
and the other two angles are,
(7x-20)° = (7×10-20)°
= (70-20)° = 50°
(3x+20)° = (2×10 +20)°
= (30+20)° = 50°
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