Lesson: Surface Areas of Prisms Mathematics • 7th Grade
In this lesson, we will learn how to find the lateral and total surface areas of different types of prisms using more than one formula.
Work out the surface area of the prism.
Suppose the length of each edge of an ice cube is 19 centimeters. The cube is then cut horizontally in half into two smaller rectangular prisms. Determine the surface area of one of the two prisms.
Mark uses cardboard to build a box 30 cm long, 25 cm wide, and 20 cm high. How much cardboard is needed?