Answer:
y = -5/4x - 5
Step-by-step explanation:
The answer is 80, 2x+3x+4x=180, so x=20. 20*4=80.
3.14 on the length. but if you add to a graph send another one to my comment and show me
explanation
Step-by-step explanation:
the sum of all angles in a triangle is always (ALWAYS !) 180°.
180 = 31 + 35 + x = 66 + x
x = 180 - 66 = 114°