(geometry, serious ! pls)
the diagonal of rectangle abcd measures 2 inches in length.

what is the length of line segment ab?

1 inch

(sqr root) 3 inches

4 inches

(sqr root) 4/3 inches

For this case we have the following trigonometric relationship:

From here, we clear the value of the CD segment:

Then, since the figure is a rectangle, then it follows that:

the length of line segment AB is:

option 2

triangle and cube

step-by-step explanation: