For this standard, students will need to be able to determine both lateral and total surface area from a shape's net, rather than using a surface area formula. Students should connect the concept of finding the area of composite figures to finding the total surface area.
Billy is creating a box to ship his model airplane for a contest. It will ship best in the shape of a triangular prism. How much cardboard will Billy need to make his box in the shape of a triangular prism using the following known measurements?
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7.9 Expressions, equations, and relationships. The student applies mathematical process standards to solve geometric problems. The student is expected to:
(D) solve problems involving the lateral and total surface area of a rectangular prism, rectangular pyramid, triangular prism, and triangular pyramid by determining the area of the shape's net