9:23 9 Problem 5.2: Looking Back Preview < 10 of 11 Next > ? ☑ Preview Only 8 cm A company wants to make a square box with no top. The requirements are: • It must be 8 cm tall. • Its volume must be 1000 cubic cm. The boxes are made by cutting four corners from a square piece of cardboard and folding the flaps up. What should the length of the starting square be? Submit and Explain

When the length of each edge of a cube is increased by 1 cm, the volume is increase by 61 cm3. What is the length of each edge of the original cube?

The surface of a soccer ball is composed of 12 regular pentagons and 20 regular hexagons. With each side of each regular polygon measuring 4.5 cm, the area of each regular pentagon is 34.9 cm2 and area of each regular hexagon is 52.5 cm2. a What is the surface area of the soccer ball? b If the material used to construct the ball costs 0.8 of a cent per square centimeter, what is the cost of the materials used in construction?

A triangle has a base of 8.4 cm and a height of 12.5 cm. What is the area of the triangle?