Step-by-step explanation:

I believe you only need to know one angle.
For example, if you know angle 1, you can calculate angle 3. Angle 2 = angle 3 and angle 4 = angle 1.
Also, Angle 5= angle 1 and so on...
4^1|15 I know this cuz I had the same questions and got them right
Answer:
first blank is 90/100
second blank is 145/100
Step-by-step explanation: