Question

12. The following figure shows a quadrilateral in which sides AB and DC are parallel.
If ZA: ZD = 4:5, ZB = (3x – 15)°
and ZC = (4x + 20), find each angle of the quadrilateral ABCD.​

Answer 1

Answer:

angle a=110.90°

". b=51.54°

". c=180.72°

". d=8

this is a answer