The triangle shown is an equilateral triangle. Write an addition equation and a multiplication equation to show how to find the perimeter, p, of the triangle when s is the measure of one side.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm