Question

Kit folds a bandana diagonally before tying it around her head. The side length of the bandana is 16 in. About how long is the diagonal?

Answer 1

Folding it diagonally forms a 45-45-90 right isosceles triangle. This type of triangle has lengths of x, x, and x
`√(2)` The longest side being the hypotenuse, this makes the diagonal 16
`√(2)` inches or approx. 22.63 inches