Question

How to find the length of the diagonal in a rectangle if the perimeter/area/length and width is given?

Answer 1

by herons formula

hope its helpful

Answer 2

if the perimeter is given u can find the length and the breadth of rectangle then by pythagorus theorem u can find the diagonal

or

for area same thing

or

if length and width is given the by pythagorus theorem u can find the diagonal