If the diagonal of a square is 11.3 meters approximately what is the perimeter of the square

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

How do i do this activity, is appreciated

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !