Examples of deficit in a sentence. 1  The government is facing a deficit of $3 billion. 2  We will reduce the federal budget deficit. 3  The team overcame a four-point deficit to win the game.  She has a slight hearing deficit in her left ear.
The larger objects is at one of the two foci. For example, the Sun is at one of the foci of Earth's elliptical orbit. If the eccentricity of an ellipse is large, the foci are far apart. If the eccentricity is small, the foci are close together.et's take a look at the mathematical definition of an ellipse. First, place two points on a plane; these will be the foci of the ellipse. Now, pick a distance that is larger than the distance between the two foci. We'll call that distance 2a, for reasons that will become clear in a minute.
An ellipse is defined in part by the location of the foci. However if you have an ellipse with known major and minor axis lengths, you can find the location of the foci using the formula below.The major and minor axis lengths are the width and height of the ellipse.Foci (focus points) of an ellipse. Two points inside an ellipse that are used in its formal definition.n ellipse has two focus points. The word foci (pronounced ' foe-sigh') is the plural of 'focus'. One focus, two foci. The foci always lie on the major (longest) axis, spaced equally each side of the center.