Step-by-step explanation:
HERE,
⠀
we know that,
sum of consecutive angle of a parallelogram =180
so,
According to the question,
Answer:
-10
the upper right is the same (105°), therefore the left 75°
now you have 180 = 75 + x + 115
therefore: -10
Solve for x
x ≤ −4 or x ≥ 4