The radius of a circle is 2 inches. What is the circle's area?

Step-by-step explanation:

The area of a circle can be found using the following formula.

The radius of the circle is 2 inches.

Substitute the value into the formula.

Evaluate the exponent.

Multiply.

Round to the nearest hundredth. The 6 in the thousandth place tells us to round the 6 to a 7.

The area of the circle is about 12.57 square inches.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: