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For what value of x will the lines l and m be parallel to each other?

Option: 1
$45^0$

Option: 2
$30^0$

Option: 3
$60^0$

Option: 4
$90^0$

Answers (1)

best_answer

Corresponding angles are equal.

So

$\\3x-40^0=2x+20^0\\x=60^0$

Posted by

Gautam harsolia

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