2. Section 9.2
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The area of a circle equals the product of π and the square of its radius.
The area of a circle equals the product of π and the square of its radius.
About 201.06cm^2
About 2827.43cm^2
Let's consider the given circle.
r= 8
Calculate power
Multiply
Use a calculator
Round to 2 decimal place(s)
r= 30
Calculate power
Multiply
Use a calculator
Round to 2 decimal place(s)