Solving Surface Area Problems

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Presentation transcript:

Solving Surface Area Problems

Warm Up Sal is tiling his entryway Warm Up Sal is tiling his entryway. The floor plan is drawn on a unit grid. Each unit length represents 1 foot. Tile costs $2.25 per square foot. How much will Sal pay to tile his entryway?

Use the net above to answer this question: How does the product of the perimeter P of the base of the prism and the height h of the prism compare to the lateral area L? How can you express the surface area S of the prism in terms of P, h, and B?

A brand of uncooked spaghetti comes in a box that is a rectangular prism with a length of 9 inches, a width of 2 inches, and a height of 1 1 2 inches. What is the surface area of the box? Explain.

Dara is building a plant stand Dara is building a plant stand. She wants to stain the plant stand, except for the bottom of the larger prism. Find the surface area of the part of the plant stand she will stain.