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2015-03-07T10:36:41+05:30

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We know that, opposite angles of a parallelogram are equal.
Therefore, 40x=50y
Transposing 50y to LHS,
40x-50y=0
Now, taking 10 common,
10(4x-5y)=0
Therefore 
4x-5y=0·10=0
Therefore, Linear Eq.-->  4x-5y+0=0

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2015-03-07T10:41:11+05:30

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
In a parallelogram, the opposite angles are equal.
Thus 40x = 50y
⇒ 40x - 50y = 0
⇒ 10(4x - 5y) = 0
4x - 5y = 0

The required linear equation is 4x - 5y = 0.
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