5. A square has side length 9 in. What is the length of the longest line segment that can be drawn between any two points of the square?

7. Find the unknown measure in the parallelogram pictured, given that its area is 16 square units. 8 Enter your next step here units

11.) Which of the following does NOT have an area of 40 ft2? a. a right triangle with legs 16 feet and 5 feet b. a trapezoid with bases 4 feet and 6 feet, and height of 4 feet c. an acute triangle with base 8 feet and height 10 feet d. a parallelogram with a base of 8 feet, side length 4.5 feet, and height of 5 feet

24) An open rectangular box is to be made from a piece of cardboard 8 in. wide and 15 in. long by cutting a square from each corner and bending up the sides Find the dimensions of the box of largest (ans.: height=5/3; width=14/3; length=35/3) volume.