Answer:
4) 96°
Step-by-step explanation:
Supplementary angles add up to 180.
So 180-84=96
Step-by-step explanation:
4x -y =2
-y = -4x + 2
y = 4x -2
slope = 4
perpendicular slope is negative inverse
so -1/4
y- -2 = -1/4(x - 4)
y+2 = -1/4x +1
y = -1/4x -1
12.2 mm for longest and 11.8 mm for shortest
