Perimeter Formula:

Area Formula:

Set perimeter Formula equal to b:

Plug formula for be we just made above into the area Formula:

Solve for L (you'll have to use quadratic formula) then plug that back into the area Equation and solve for b.
Here's a link to where the problem has been explained before (they go into more detail than me).
https://brainly.ph/question/468631
lmk if you need any more help
I dont know what you mean but i devided 17 and 1569 and it =s 0.0108349267
Answer:
it would take 16 minutes
Step-by-step explanation:
32,000 (height) ÷ 2000 (decent) = 16 (time it takes to land)