Looks about either 38 or 52
You mean their sum is 12?
A) x + y = 12
B) x -y = 4 then we add both equations:
2x = 16
x = 8
y = 4
Step-by-step explanation:
Angle A + Angle B must be 90° as they form a right triangle with a right angle.
Angle B + Angle C must be 90° as they are in a straight line with a right angle.
So Angle A = Angle C.
Answer:
0,-1
Step-by-step explanation: