Respuesta :

Nova1327

Answer:

Angle 1 = 70, Angle 2 = 90, Angle 3 = 70, Angle 4 = 70

Step-by-step explanation:

1. 90 -20 = 70

2. Diagonals are perpendicular and create right angles that equal 90

3 and 4. Diagonals bisect angles, angles on opposite sides are congruent