# What are the foci of an ellipse?

##### 1 Answer

Oct 24, 2015

#### Answer:

Foci of an ellipse are two fixed points on its major axis such that sum of the distance of any point, on the ellipse, from these two points, is constant.

#### Explanation:

In fact an ellipse is defined to be a locus of points such that sum of the distance of any point from two fixed points is always constant. These two fixed points are called foci of an ellipse