I notice many students had a hard time making sense of the standard equation of circle which is nothing new! The standard equation of circle is simply the * Distance formula* learnt in Coordinate Geometry in E-Math and A-Math.

## Standard equation of circle:

**Example:**

**Test Yourself:**

**To ensure you have understood the standard equation of circle, attempt the question below by selecting the correct option and leave your answer in the comments section.**

In my future post, I'm going to discuss the other type of equation of circle: General equation of circle.

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