A factor (or chord) is like a piece of string that connects two points on a circle. Imagine you have a big circle on the ground and you tie a string between two points on the circle. This string is called a factor or chord.
If you want to find out how long the string is, you need to measure it. You can do this by using a ruler or a measuring tape. The length of the factor or chord depends on how far apart the two points are on the circle.
Sometimes, people use factors or chords to help them with math problems. For example, if you want to find out the distance between two points on a circle, you can use the length of the factor or chord. This can be helpful when you are trying to solve geometry problems.
Overall, a factor or chord is just a string that connects two points on a circle. It helps us measure and solve math problems related to circles.