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11 April, 10:36

Find the area of a circle with a diameter

of 16.

Either enter an exact answer in terms of a

or use 3.14 for a and enter your answer as

a decimal.

units2

+5
Answers (2)
  1. 11 April, 12:31
    0
    64 pi. Half of 16 is 8 and 8 squared is 64.
  2. 11 April, 13:33
    0
    To get the answer divide the diameter by two, so you can get the radius. So plug it into the formula A=π 8²=π (8²) = 64π = 200.96 and for multiplying pie I just used 3.14 instead the entire number so I could get it by having the decimal in the hundredths place.
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