Question

The sum of the two angles of a quadrilaterl is 150°. The remaining two angkes are in the ratio 3:4. Find the angkes​

Answer 1

Sum of angles of quadrilateral=360°

let angles be 3x and 4x

150°+3x+4x=360

150+7x=360

7x=360-150

7x=210

x=30

so angles are 90° and 120°