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In the adjoining figure, the value of y is (AOB is straight line)

Option: 1

\large 40^0


Option: 2

\large 50^0


Option: 3

\large 60^0


Option: 4

\large 70^0


Answers (1)

best_answer

 

\large x^0+90^0+ y^0=180^0\Rightarrow x^0+y^0=90^0

and

\large 3x^0+60^0=180^0\Rightarrow x^0=40^0

from above we get

\large y^0=50^0

 

Posted by

Gaurav

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