anonymous
  • anonymous
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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.
anonymous
  • anonymous
What is the area of the the rectangle and what is the area of the circle?
anonymous
  • anonymous
okay and after I figure out both of their areas, what is the next step?

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

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