Question

Pleaseeee help and hurry

Answer 1

`√(45)`

Explanation:

Recall that the Pythagorean Theorem allows you to find missing sides of a triangle, and that it is in the form
`a^(2) + b^(2) = c^(2)`

`a^(2) + 6^(2) = 9^(2)\\a^(2) +36 =81\\a^(2)=45\\a=√(45)`