Find the value of x .
K
M
(2x – 10)
(2x + 400°
N

Answer:
the angles all sum up to 360. is a circle therefore x = 60
Step-by-step explanation:
90 + 2x - 10 + 2x + 40 = 360
120 + 4x = 360
4x = 360 - 120
4x = 240
x = 60