<u></u>
Answer:
y int is 20
slope = 2
equation: y = 2x + 20
40
a triangle has 180 degrees
When y=0.8
4x +8(0.8) =40
-> 4x +6.4 =40
-> 4x = 33.4
-> x=33.4/4
-> x=8.35
Hope it helps...
Regards;
Leukonov/Olegion.