Payal Priya
Birsa Institute of Technology (BIT), Sindri
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## < 8 Other formulas that you can solve using the same Inputs

Length of radius vector from center in given direction whose angle is theta in ellipse
Length=sqrt((Semi-major axis^2)*(Semi-minor axis^2)/(Semi-minor axis^2+(Semi-major axis^2-Semi-minor axis^2)*(sin(Angle))^2)) GO
Linear eccentricity of the hyperbola
Linear Eccentricity=sqrt((Semi-major axis)^2+(Semi-minor axis)^2) GO
Semi-major axis of an ellipse
Semi-major axis=sqrt((Semi-minor axis)^2+(Linear Eccentricity)^2) GO
Semi-minor axis of an ellipse
Semi-minor axis=sqrt((Semi-major axis)^2-(Linear Eccentricity)^2) GO
Eccentricity of hyperbola
Eccentricity=sqrt(1+((Semi-minor axis)^2/(Semi-major axis)^2)) GO
Semi-latus rectum of an ellipse when eccentricity is given
Semi-latus rectum=Semi-major axis*(1-(Eccentricity)^2) GO
Semi-latus rectum of hyperbola
Semi-latus rectum=(Semi-minor axis)^2/Semi-major axis GO
Linear eccentricity of an ellipse when eccentricity and semimajor axis are given
Linear Eccentricity=(Eccentricity*Semi-major axis) GO

## < 1 Other formulas that calculate the same Output

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

### Focal parameter of the hyperbola Formula

Focal parameter of an ellipse=(Semi-minor axis)^2/sqrt((Semi-major axis)^2+(Semi-minor axis)^2)
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Latus rectum of an ellipse when focal parameter is given GO
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Linear eccentricity of an ellipse when eccentricity and semimajor axis are given GO
Semi-latus rectum of an ellipse when eccentricity is given GO
Eccentricity of hyperbola GO
Linear eccentricity of the hyperbola GO
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## What is focal parameter of a hyperbola and how it is calculated?

The focal parameter of the hyperbola is the distance from a focus to the corresponding directrix. It is calculated by the formula p= b2 / √ (a2 + b2) where p is the focal parameter of the hyperbola,b is the minor-axis of the hyperbola and a is the major-axis of the hyperbola.

## How to Calculate Focal parameter of the hyperbola?

Focal parameter of the hyperbola calculator uses Focal parameter of an ellipse=(Semi-minor axis)^2/sqrt((Semi-major axis)^2+(Semi-minor axis)^2) to calculate the Focal parameter of an ellipse, Focal parameter of the hyperbola is the distance from a focus to the corresponding directrix. Focal parameter of an ellipse and is denoted by f symbol.

How to calculate Focal parameter of the hyperbola using this online calculator? To use this online calculator for Focal parameter of the hyperbola, enter Semi-major axis (a) and Semi-minor axis (b) and hit the calculate button. Here is how the Focal parameter of the hyperbola calculation can be explained with given input values -> 0.070711 = (0.1)^2/sqrt((0.1)^2+(0.1)^2).

### FAQ

What is Focal parameter of the hyperbola?
Focal parameter of the hyperbola is the distance from a focus to the corresponding directrix and is represented as f=(b)^2/sqrt((a)^2+(b)^2) or Focal parameter of an ellipse=(Semi-minor axis)^2/sqrt((Semi-major axis)^2+(Semi-minor axis)^2). Semi-major axis is one half of the major axis, and thus runs from the centre, through a focus, and to the perimeter and Semi-minor axis of an ellipse or hyperbola is a line segment that is at right angles with the semi-major axis and has one end at the center of the conic section.
How to calculate Focal parameter of the hyperbola?
Focal parameter of the hyperbola is the distance from a focus to the corresponding directrix is calculated using Focal parameter of an ellipse=(Semi-minor axis)^2/sqrt((Semi-major axis)^2+(Semi-minor axis)^2). To calculate Focal parameter of the hyperbola, you need Semi-major axis (a) and Semi-minor axis (b). With our tool, you need to enter the respective value for Semi-major axis and Semi-minor axis 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 Focal parameter of an ellipse?
In this formula, Focal parameter of an ellipse uses Semi-major axis and Semi-minor axis. We can use 1 other way(s) to calculate the same, which is/are as follows -
• Focal parameter of an ellipse=Minor axis^2/Major axis
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