The bottom surface of the pool is flat and needs new tiles. If each tile covers 1/9 of a square yard and costs $3, what is the cost of the tiles to retire the bottom of the pool?

Each tile covers 1/9 of a square yard. It means that you need 9 tiles to cover the bottom surface of the pool. And we know that each tile costs $3.

We have to multiply $3 by 9:

The cost:  9 * $3 = $27

The cost of the tiles to retile the bottom of the pool is $27.

Step-by-step explanation:

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "

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step-by-step explanation: