Answer:
The length is APPROXIMATELY equal to 12.4.
Step-by-step explanation:
Use the converse of the Pythagorean Theorem (
+
=
[where "c" is both the longest side and the hypotenuse]) since a rectangle's diagonals will always cut it into two right triangles:


169-16=153.
≈ 12
or

or if the problem has to be exact (using radicals)
3*
I hope this helps ;)
Um use fled but bfthb 123 tgbs
Answer:
should be added to the given equation.
Step-by-step explanation:
Let a is added to the given equation.
According to the given condition,

So,
should be added to the given equation.
drawing isn't shown, pls take a screenshot or photograph the exercise