2. Section 9.2
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r= 8
Calculate power
Multiply
Use a calculator
Round to 2 decimal place(s)
We found that A ≈ 201.06, which means that the area of the circle is about 201.06 square centimeters.
Let's find the area of the circle the same way we did in Part A. Since the diameter of the circle is 60 centimeters, the radius of the circle is ( 12* 60) centimeters, or 30 centimeters.
r= 30
Calculate power
Multiply
Use a calculator
Round to 2 decimal place(s)
We found that A ≈ 2827.43, which means that the area of the circle is about 2827.43 square centimeters.