Answer:
y = 115
Step-by-step explanation:
5 angles should total to 540°.
135+112+88+90+y= 540
425+y=540
Answer: your answer is B. 115
Step-by-step explanation: I just took the test
1) , , (given)
2) is a right angle (perpendicular lines form right angles)
3) and are right triangles (a triangle with a right angle is a right angle)
4) (HL)
5) (CPCTC)
18.3 simplified 7.3.
or i could just be 7