Please help me I really need help with this Pleaseee

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick