Question

what is the missing side length of an irregular polygon with side lengths 19.9 centimeters, 24.8 centimeters, 29.7 centimeters and 31.5 centimeters, If the perimeter is equal to the perimeter of a regular hexagon with side length 19 centimeters?

Answer 1

what is the perimeter of a regular hexagon with side length 19 cm? regular hexagon has how many sides?

your irregular polygon's perimeter needs to be the same value, so add up the known side lengths, and figure out how much needs to be added so that the value is the same as that of the regular hexagon.