Directrix of an ellipse(b>a) Calculator

Category	Math ↺
Math	Geometry ↺
Geometry	2D Geometry ↺
2D-Geometry	Ellipse ↺

✖Major axis is the line segment that crosses both the focal points of the ellipse.ⓘ Major axis [a]			+10% -10%
✖Eccentricity of an ellipse is a non-negative real number that uniquely characterizes its shape.ⓘ Eccentricity [e]			+10% -10%

✖Directrix is the length in the same plane to its distance from a fixed straight line.ⓘ Directrix of an ellipse(b>a) [x]

⎘ Copy

Reset

👎 Report Issue!

👍 Share Now!

⎙ 11 Other formulas that you can solve using the same Inputs

Circumference of an ellipse

Circumference of an ellipse=((pi*Major axis*Minor axis+(Major axis-Minor axis)^2))/(Major axis/2+Minor axis/2) GO

Focal parameter of an ellipse

Focal parameter of an ellipse=Minor axis^2/Major axis GO

Eccentricity of an ellipse (a>b)

Eccentricity=sqrt(1-((Minor axis)^2/(Major axis)^2)) GO

Eccentricity of an ellipse (b>a)

Eccentricity=sqrt(1-((Minor axis)^2/(Major axis)^2)) GO

Exradius of an ellipse

Radius of the Circumscribed circle=Major axis/2 GO

Flattening of an ellipse

Flattening=(Major axis-Minor axis)/Minor axis GO

Latus Rectum of an ellipse (a>b)

Latus Rectum=2*(Minor axis)^2/(Major axis) GO

Latus Rectum of an ellipse (b>a)

Latus Rectum=2*(Minor axis)^2/Major axis GO

Directrix of an ellipse(a>b)

Directrix=Major axis/Eccentricity GO

Area of an ellipse

Area=(pi*Major axis*Minor axis)/4 GO

Length of major axis of an ellipse (a>b)

Length=2*Major axis GO

What is a directrix and how it is calculated for an ellipse ?

Directrix of an ellipse(b>a) is the length in the same plane to its distance from a fixed straight line. For an ellipse, it is calculated by the formula x=±b/e where x is the directrix of an ellipse when a is the major axis, b is the major axis, and e is the eccentricity of the ellipse.

How to Calculate Directrix of an ellipse(b>a)?

Directrix of an ellipse(b>a) calculator uses Directrix=Major axis/Eccentricity to calculate the Directrix, Directrix of an ellipse(b>a) is the length in the same plane to its distance from a fixed straight line. Directrix and is denoted by x symbol.

How to calculate Directrix of an ellipse(b>a) using this online calculator? To use this online calculator for Directrix of an ellipse(b>a), enter Major axis (a) and Eccentricity (e) and hit the calculate button. Here is how the Directrix of an ellipse(b>a) calculation can be explained with given input values -> 10000 = 10/0.1.

FAQ

What is Directrix of an ellipse(b>a)?

Directrix of an ellipse(b>a) is the length in the same plane to its distance from a fixed straight line and is represented as x=a/e or Directrix=Major axis/Eccentricity. Major axis is the line segment that crosses both the focal points of the ellipse and Eccentricity of an ellipse is a non-negative real number that uniquely characterizes its shape.

How to calculate Directrix of an ellipse(b>a)?

Directrix of an ellipse(b>a) is the length in the same plane to its distance from a fixed straight line is calculated using Directrix=Major axis/Eccentricity. To calculate Directrix of an ellipse(b>a), you need Major axis (a) and Eccentricity (e). With our tool, you need to enter the respective value for Major axis and Eccentricity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Directrix?

In this formula, Directrix uses Major axis and Eccentricity. We can use 1 other way(s) to calculate the same, which is/are as follows -

Directrix=Major axis/Eccentricity

Directrix of an ellipse(b>a) Calculator

< ⎙ 11 Other formulas that you can solve using the same Inputs

< ⎙ 1 Other formulas that calculate the same Output

Directrix of an ellipse(b>a) Formula

What is a directrix and how it is calculated for an ellipse ?

How to Calculate Directrix of an ellipse(b>a)?

FAQ