What is the area of the top of a jar if the diameter of the jar is 3.00 inches?

Start with the formula for the area of a circle: area = (pi)(radius)

^{2}Then remember to divide the diameter in half to get the radius (3.00/2 = 1.50)

Then plug in the numbers:

area = (3.14)(1.50)

^{2}area = (3.14)(2.25)

area = 7.065 square inches

To round it to the nearest hundreth (thank you, Steve!) if you normally do that: 7.07 square inches

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