Answer:
Explanation:
Z:
the angle b/n z and 65 is 90 b/c its a square and they are found on a straight line (180)
- 65 + 90 + z = 180
-155 + z = 180
-z= 180 - 155= 25
x:
-x + 90 = 180
- x= 180 - 90 = 90
y:
in this case now we have an inner triangle which has only one missing angle so as we know for any triangle ABC; <A + <B + <C = 180 so
- y + x + 65=180
-y+ 90 + 65= 180
-y=180 - 155
- y = 25