Answer:
135°, 135°, 90°
Step-by-step explanation:
(3/2)90 = 270/2 = 135
OR 3/2 is just 1.5
1.5•90= 135°
Next: 90+45 = 135°
Finally: 2B -90
= 2•90 - 90
= 180 - 90
=90°
These are the angles you need for your other question. Hang in there!