Answer:
18 feet in 20 minutes.
Step-by-step explanation:
(4,0)
(5,3) (1,3)
You need to subtract from the x axis on both coordinates and the y axis in both coordinates.
(5-1) (3-3)
I also checked on a graph as well, so it's correct.
84
they are all equal sides so what you'd do is 28+28+28= 84
