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A building engineer analyzes a concrete column with a circle cross section. The circumference of the column is pie18 meters. What is the area of the cross section of the column

Sagot :

The area of the cross section of the column is 81π

What is the area of the cross section of the column?

The given parameters are

Circumference, C = π18 meters

The area of the cross section of the column is calculated using the following circle formula

A = π(C/2π)^2

Substitute C = π18 in A = π(C/2π)^2

A = π(π18/2π)^2

Evaluate the quotient

A = π(9)^2

This gives

A = 81π

Hence, the area of the cross section of the column is 81π

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