SOLUTION: The area of a circle is given by the formula A=πr^2. What is the area of a circle that has a radius of 2x and where π is approximately 3.14? Write your answer in terms of

Algebra ->  Circles -> SOLUTION: The area of a circle is given by the formula A=πr^2. What is the area of a circle that has a radius of 2x and where π is approximately 3.14? Write your answer in terms of      Log On


   



Question 405293: The area of a circle is given by the formula A=πr^2. What is the area of a circle that has a radius of 2x and where π is approximately 3.14? Write your answer in terms of x.
Answer by MathLover1(20849) About Me  (Show Source):
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A=πr^2

What is the area of a circle that has a radius of 2x and where π is approximately 3.14?
Write your answer in terms of x.

A=πr^2..replace r with 2x and π with 3.14
A=%283.14%29%282x%29%5E2
A=%283.14%294x%5E2
A=12.56x%5E2