Mathematics
okelleykenneth
18

The expression πr² is used to determine the area of a circle, where r is the length of the radius. What does the expression π(5b)² represent? a) the area of a circle with radius 5 b) the area of a circle with radius 25 c) the area of a circle with radius 5b d) the area of a circle with radius 25b²

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(1) Answers
maureenwitter

The answer is c because all you are doing here is subbing the variable r for 5b.

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