Question

What is the missing side length of an irregular quadrilateral with side lengths twenty-five point four centimeters, thirty-three point three centimeters and fifty-two point two centimeters, if the perimeter is equal to the perimeter of a regular hexagon with side length twenty-one centimeters?

five point nine centimeters

thirteen point two centimeters

fifteen point one centimeters

thirty-six point one centimeters

Answer 1

x + 25.4 + 33.3 + 52.2 = 6(21)

Answer 2

x + 110.9 = 126 solve for x.