Question

Three angles af a quadrilateral are 103°, 73° and 124°. Find the fourth angle.​

Answer 1

Answer:

let the fourth angel be x

103+73+124+x=360 (sum of all angles of quadrilateral)

=300+x=360

=x=360-300

x=60=fourth angel of triangle

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Answer 2

Answer: 60°

Step-by-step explanation:

Sum of all four angles of a quadrilateral is 360°.

Here given, the three angles as: 103°, 73°, and 124°.

So the other angle is= 360° -(103°+73°+124°)=360°-300°=60°