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A rectangular counter 3 feet wide and 5 feet long has a circle cut out of it in order to have a sink installed. The circle has a diameter of 18 inches. What is the approximate area of the remaining countertop surface? Use 3.14 for pi. A)13.2 ft2 B)29.5 ft2 C)18.9 ft2 D)15.0 ft2

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so you know you have a rectangle and you want to subtract a circle You can figure out the area of the rectangle and the area of the circle given the information in the problem if you know the right formulas.
What is the area of the the rectangle and what is the area of the circle?
okay and after I figure out both of their areas, what is the next step?

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Other answers:

subtract the area of the circle from the area of the rectangle, but make sure that they both have the same type of units.
Since all of the answer choices are given in terms of ft^2, you should convert everything the ft before you start the problem.
I dont really understand , can you please show me?
What don't you understand?
how to solve it really? okay so I got 15 for the area of the rectangle and for the circle I got 254.34 so now what? Im really confused!
what units did you solve for each area in? Units are important.
just the formula for area of a circle and rectangle, idk what you mean.
what is the formula for the area of a circle?
Circle Area = πr2
thats what i meant squared..oops!
what did you use for r?

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