## How to find the diameter when area of a circle is given?In previous lesson, the concept of finding the radius when when its area is given.how to find the diameter of a circleAs already explained in previous lessons that the diameter is the line across a circle through its center. A diameter is the longest chord of the circle and it is twice as long as the In previous post we calculated the radius of a circle, when its area was given and you already know that the radius times 2 is the diameter. Hence, you can just find the radius when the area of a circle is given and then multiply your result by 2 to get the diameter. ## Example on finding the diameter of a circle from its areaFor example; consider the area of the circle is given to be 40 square inches and we need to find its diameter. To solve the above problem, we can find the radius of this circle from its area using the formula, as shown below:
Consider “r” is the radius of the circle, so we can replace the above area symbol “A” by the formula to find the area of a circle; which is Hence the diameter of a circle with area equal to Some teachers may use the direct formula to find the |

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