Question

Find l.
I= [?] ft
9 ft
4 ft
PLEASE PLEASE HELP MEEEEEE IM DESPERATE

Answer 1

`√(85)` ft

Explanation:

Use the Pythagorean theorem to find the unknown side in any right triangle,

Essentially, look at it as if it was flat.

a is half of the diameter, so 2 ft.

b is your height, 9ft

`a^(2) +b^(2) =c^(2) \\2^(2) +9^(2) =c^(2) \\4+81= c^(2)\\√(85)=c`