How to find the area of a circle using its diameterThis post is to explain how to find the area of a circle when its diameter is given, instead its radius. There are two main methods to do this task. When it comes to find the area of a circle, there are couple of techniques and formulas used for the purpose. In previous post you have found the information on how to find the area of a circle using its radius in the formula. This post is all about finding the circle area, when we are given with its diameter. As you know that diameter is the chord of the circle which passes through its center and its the longest chord of the circle too. There are two ways to find the area of circle when its diameter is given. Both methods are explained one by one, on this page.

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