Question

The three angles of a quadrilateral ae in the ratio 3:5:7:9. Find the measure of the fourth angle​

Answer 1

Answer:

135°

Step-by-step explanation:

angles in a quadrilateral is equal to 360°

therefore, 360 = 3+5+7+9

360 = 24

360/34 = 15

9×15=135

hope it helps!!!