A rectangular box with a square base and no lid must have a total surface area of 20 cm2 (so the combined area of the five sides of the box is 20 cm2 ). Find the dimensions of the box (length, width and height) so that the total volume is as large as possible.

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.