Answer:
its not so clear but im guessing u r trying to solve the missing spaces so:
Step-by-step explanation:
1st since angle y is VERTICLE (across) from the angle that is 45 degrees angle y is also 45 degress.
and angle z is the same as teh one across from it which is 21
but this is also very odd since teh shape should add up to 360 degrees
