Question

Three angles of a quadrilateral measures 110,82,68.Find the measure of the fourth angle.

Answer 1

sum of angles of a quadrilateral = 360
360-(110+82+68)=100
therefore fourth angle measures 100
hope it helps

Answer 2

As sum of of angles of a quadrilateral is 360 degree.
so if three angles are given then we have to substract the sum of three angles and substract it from 360
here fourth angle =360-(110+82+68)
=360-260
=100