A building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18 \pi18π18, pi meters.
What is the area AAA of the cross section of the column?
Give your answer in terms of pi.

The area of the cross section of the column is

Explanation:

Given that a building engineer analyzes a concrete column with a circular cross section.

Also, given that the circumference of the column is meters.

We need to determine the area of the cross section of the column.

The area of the cross section of the column can be determined using the formula,

First, we shall determine the value of the radius r.

Since, given that circumference is meters.

We have,

Thus, the radius is

Now, substituting the value in the formula , we get,

Thus, the area of the cross section of the column is

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1

nada

step-by-step explanation: