I will give brainliest to whoever answers this question. Also if you can please explain how you solved it I would appreciate it!

I think the answer is 5.5ft

Step-by-step explanation:

I first found the missing length and then created a proportion for it.

I have attached a picture below of my work so hopefully that will make sense.

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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here is the

mark brainliest pl