Answer:
3
Step-by-step explanation:
l*h*w=volume
8*h*2=48
16h=48
h=3
Answer:
1.perpendicular
2.parallel
Step-by-step explanation:
3.perpendicular
4.perpendicular
Answer:
x=-11
Step-by-step explanation:
Sum of the interior angles of a triangle is 180
(x+51)+60+80=180
(x+51)+140=180
x+51=40
x=-11