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?
A.about 22.6 in.
B.about 16 in.
C.about 512 in.
D.about 45.3 in.

Answer 1

if the bandana is a square, then 22.6
the reason is that after folding, it is a 45-45-90 triangle.
45-45-90 triangles have equal legs and the legs and the hypotenuse are in the following ratios: x: x : xrt2

Answer 2

Ok Thank you!