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Byju's Answer
Standard IX
Mathematics
Angles in a Transversal
Find the valu...
Question
Find the value of x from the given figure.
A
32°
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B
42°
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C
52°
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D
62°
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Solution
The correct option is
A
32°
From the figure, the angles, 2x and (3x+20)° are co interior angles.
Hence, they are supplementary.
⇒
2x + (3x+20)° = 180°
⇒
2x + 3x = 180°-20°
⇒
5x = 160°
⇒
x = 32°
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