Answer:

Step-by-step explanation:
From the question we are told that:
Angle 
Height of plane 
Generally the trigonometric equation for distance flown d is mathematically given by

Therefore



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
Answer:
a, c, b, a
Step-by-step explanation:
Y = 925/z
hope this helps!