Question

find out value of y
​

Answer 1

Solution:-

As we know that angle on a straight line is 180º.

Therefore,

Interior angle of quadrilateral will be connected to angle y will be (180º−y).

As we know that sum of all the interior angles of a quadrilateral is 360º.

Therefore,

115º+85º+97º+(180º−y)=360º

⇒180º−y=360º−297º

⇒y=180º−63º=117º

Hence value of y is 117.

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Answer 2

Answer:

y=60°

Step-by-step explanation:

co interior angles are supplementary

so 2y+y =180°

so 3y=180

y=60°