Answer:
The measures of the fourth angle is 150 .
Step-by-step explanation:
<h3><u>Given</u> :-</h3>
The measures of three angles of quadrilateral are 30 , 70 and 110.
<h3><u>To find</u> :-</h3>
Find the measures of fourth angle.
<h3><u>Solution</u> :-</h3>
Let, the measures of fourth angle be x.
We know that sum angles of quadrilateral are 360 .
30 + 70 + 110 + x = 360
combine like terms
210 + x = 360
subtract 210 from 360.
x = 360 - 210
x = 150
Therefore, the fourth angle of quadrilateral is 150.