Sarah bought a circular marble tabletop to use as her dining room table. The marble is 6 ft in diameter. Find the cost of the tabletop at $90 per square yard of marble?

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Answer 1 · 2018-04-03T03:16:29

$848.23

Use #A=pi*r^2# to solve for the area

we have the diameter as 6 ft, so the radius should be 3 ft

#A = 28.274ft^2#

divide by three to get the area in yards

#28.274/3 = 9.425 yards#

multiply the yards by the cost to get your final answer

#9.425 yards*$90 = $848.23#

Sarah bought a circular marble tabletop to use as her dining room table. The marble is 6 ft in diameter. Find the cost of the tabletop at ​$90 per square yard of marble?