x+y=2 x^2+y^2=-1 x^2+y<span>^2=1 (x-4)^2+(y-2)^2=0 </span>
A, the answer is A, something to do with opposite angles being the same, so A because 127 + 127 = 254
Answer:
Step-by-step explanation:
Answer:
m∠ADC = 90°
5x-5 = 90
x = 19
Step-by-step explanation:
Step-by-step explanation:
Its a parallelogram
Hope it helps