Question

hard question please help me

ABC is a triangle with sides AB = 6m, BC =8m, and AC = 10m. A line k in the plane of the triangle ABC moves along the segment AC at the rate of 1cm per sec. The line starts at A and ends at C and is always perpendicular to AC.

1. How long does it take the line to reach the point B?
2. How long does it take the line to bisect the area of the triangle?
3. What is the area of the region that the line sweeps in its movement after 6min 45 sec?
4.What is the area of the region that the line sweeps at any give moment from the start of its movement?

Answer 1

i need help on 2/3/4

Answer 2

if you can, draw the figure to go along with it.