Question

Two angles of a quadrilateral measure 110° and 120°. The other two angles are in a ratio of

3:10. What are the measures of those two angles?

Answer 1

30, 130

Explanation:

sum of internal angles in a quadrilateral is 360.

sum of other two angles

`= 360 - (120 + 110) \\ = 360 - 230 \\ = 130`