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A hotel plans to use marble for part of the floor lobby. The marble section of the floor will be in the shape of a triangle with a base of 80 feet and a height of 60 feet. The marble flooring costs $6 per square foot. How much will the marble for the floor cost?

Respuesta :

sirquantumnarwa
it will cost $14,400 to do the triangle the hotel plans to do.
manuelperezpinp1dgij
The area of a triangle is half the base times the height:

[tex]A=\dfrac{b\cdot h}{2}[/tex]

Thus, the area of the marble section is:

[tex]A=\dfrac{80 \cdot 60}{2} = 2,400 \text{ square feet}[/tex]

If every square foot costs $6, the total cost is:

2,400 · 6 = $14,400

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