Question

I don’t know the answer

Answer 1

`\mathrm{48 \:feet}`

Explanation:

Use the Pythagorean theorem.

`a^2+b^2=c^2`

`20^2+b^2=52^2`

`20^2+b^2-20^2=52^2-20^2`

`b^2=2304`

`b=√(2304)=48`