Question

Plz help ASAP!!!!!!!!

Answer 1

4
`\sqrt5`

Explanation:

Use Pythagorean theorem to get c^2 for the hypotenuse, which is equal to
`\sqrt80`. You then simplify to get the simplest radical form by
`\sqrt80` =
`√(8*10) = √(4*2*5*2) = √(16*5) = 4√(5)`