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Sakshi Priya
Indian Institute of Technology (IIT), Roorkee
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## < 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
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
Directrix of an ellipse(b>a)
Directrix=Major axis/Eccentricity GO

## < 11 Other formulas that calculate the same Output

Area of a Triangle when sides are given
Area=sqrt((Side A+Side B+Side C)*(Side B+Side C-Side A)*(Side A-Side B+Side C)*(Side A+Side B-Side C))/4 GO
Area of a Rhombus when side and diagonals are given
Area=(1/2)*(Diagonal A)*(sqrt(4*Side^2-(Diagonal A)^2)) GO
Area of a Rectangle when breadth and diagonal are given
Area of a Rectangle when length and diagonal are given
Area=Length*(sqrt((Diagonal)^2-(Length)^2)) GO
Area of a Trapezoid
Area=((Base A+Base B)/2)*Height GO
Area of a Rhombus when diagonals are given
Area=(Diagonal A*Diagonal B)/2 GO
Area of a Square when diagonal is given
Area=1/2*(Diagonal)^2 GO
Area of a Triangle when base and height are given
Area=1/2*Base*Height GO
Area of a Rectangle when length and breadth are given
Area of a Parallelogram when base and height are given
Area=Base*Height GO
Area of a Square when side is given
Area=(Side A)^2 GO

### Area of an ellipse Formula

Area=(pi*Major axis*Minor axis)/4
More formulas
Slope Of Line GO
Minimum Distance Between Parallel Lines in 2D GO
Arc Length GO
Centroid of a Trapezoid GO
Circumference of Circle GO
Diameter of a circle when circumference is given GO
Radius of a circle when circumference is given GO
Radius of a circle when area is given GO
Diameter of a circle when area is given GO
Radius of a circle when diameter is given GO
Diameter of a circle when radius is given GO
Inscribed angle when radius and length for minor arc are given GO
Inscribed angle when radius and length for major arc are given GO
Central angle when radius and length for major arc are given GO
Central angle when radius and length for minor arc are given GO
Side of a Kite when other side and area are given GO
Side of a Kite when other side and perimeter are given GO
Side of a Rhombus when Diagonals are given GO
Area of regular polygon with perimeter and inradius GO
Slant Height of cone GO
Slant Height of Frustum GO
Measure of exterior angle of regular polygon GO
Sum of the interior angles of regular polygon GO
Area of regular polygon with perimeter and circumradius GO
Side of Rhombus when area and height are given GO
Side of Rhombus when area and angle are given GO
Side of a rhombus when area and inradius are given GO
Side of a Rhombus when diagonals are given GO
Side of a rhombus when perimeter is given GO
Side of a rhombus when diagonal and angle are given GO
Side of a rhombus when diagonal and half-angle are given GO
Diagonal of a rhombus when side and angle are given GO
Longer diagonal of a rhombus when side and half-angle are given GO
Diagonal of a rhombus when side and other diagonal are given GO
Diagonal of a rhombus when area and other diagonal are given GO
Diagonal of a rhombus when inradius and half-angle are given GO
Smaller diagonal of a rhombus when side and half-angle are given GO
Area of a rhombus when side and height are given GO
Area of a rhombus when side and angle are given GO
Area of a rhombus when side and inradius are given GO
Area of a rhombus when inradius and angle are given GO
Diagonal of a rhombus when other diagonal and half-angle are given GO
Area of a rhombus when one diagonal and half-angle is given GO
Inradius of a rhombus when height is given GO
Inradius of a rhombus when area and side length is given GO
Inradius of a rhombus when area and angle is given GO
Inradius of a rhombus when side and angle is given GO
Inradius of a rhombus when one diagonal and half-angle is given GO
Inradius of a rhombus when diagonals are given GO
Inradius of a rhombus when diagonals and side are given GO
Length of a chord when radius and central angle are given GO
Length of a chord when radius and inscribed angle are given GO
Value of inscribed angle when central angle is given GO
Length of arc when central angle and radius are given GO
Area of sector when radius and central angle are given GO
Focal parameter of an ellipse GO
Flattening of an ellipse GO
Circumference of an ellipse GO
Midline of a trapezoid when the length of bases are given GO
Perimeter of a trapezoid GO
Diagonal 1 of a trapezoid GO
Diagonal 2 of a trapezoid GO
Area of a trapezoid when midline is given GO
Diagonal of an isosceles trapezoid GO
Height of an isosceles trapezoid GO
Radius of the inscribed circle in trapezoid GO
Sum of parallel sides of a trapezoid when area and height are given GO
Height of a trapezoid when area and sum of parallel sides are given GO
Third angle of a triangle when two angles are given GO
Lateral Surface area of a Triangular Prism GO
Height of a triangular prism when base and volume are given GO
Height of a triangular prism when lateral surface area is given GO
Volume of a triangular prism when side lengths are given GO
Volume of a triangular prism when two side lengths and an angle are given GO
Volume of a triangular prism when two angles and a side between them are given GO
Top surface area of a triangular prism GO
Volume of a triangular prism when base area and height are given GO
Bottom surface area of a triangular prism when volume and height are given GO
Bottom surface area of a triangular prism GO
Top surface area of a triangular prism when volume and height are given GO
Volume of a right square pyramid GO
Surface area of a right square pyramid GO
Lateral surface area of a right square pyramid GO
Base area of a Right square pyramid GO
Slant height of a Right square pyramid GO
Lateral edge length of a Right Square pyramid GO
Height of an Equilateral square pyramid GO
Surface area of an Equilateral square pyramid GO
Volume of an Equilateral square pyramid GO
Height of a right square pyramid when volume and side length are given GO
Side length of a Right square pyramid when volume and height are given GO
Height of a right square pyramid when slant height and side length are given GO
Side length of a Right square pyramid when slant height and height are given GO
Lateral surface area of a Right square pyramid when side length and slant height are given GO
Surface area of a Right square pyramid when side length and slant height are given GO
Volume of a right square pyramid when side length and slant height are given GO
Lateral edge length of a Right square pyramid when side length and slant height are given GO
Slant height of a Right square pyramid when volume and side length are given GO
Lateral edge length of a Right square pyramid when volume and side length is given GO

## How to define an ellipse?

An ellipse is a closed figure around two focal points in a plane such that the sum of the distance from two focal points is constant for any point on the curve.

## How to Calculate Area of an ellipse?

Area of an ellipse calculator uses Area=(pi*Major axis*Minor axis)/4 to calculate the Area, Area of an ellipse is defined as the number of square units needed to fill the ellipse. Area and is denoted by A symbol.

How to calculate Area of an ellipse using this online calculator? To use this online calculator for Area of an ellipse, enter Major axis (a) and Minor axis (b) and hit the calculate button. Here is how the Area of an ellipse calculation can be explained with given input values -> 39.26991 = (pi*10*5)/4.

### FAQ

What is Area of an ellipse?
Area of an ellipse is defined as the number of square units needed to fill the ellipse and is represented as A=(pi*a*b)/4 or Area=(pi*Major axis*Minor axis)/4. Major axis is the line segment that crosses both the focal points of the ellipse and Minor axis is the line segment that is perpendicular to the major axis and intersects at the center of the ellipse.
How to calculate Area of an ellipse?
Area of an ellipse is defined as the number of square units needed to fill the ellipse is calculated using Area=(pi*Major axis*Minor axis)/4. To calculate Area of an ellipse, you need Major axis (a) and Minor axis (b). With our tool, you need to enter the respective value for Major axis and 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 Area?
In this formula, Area uses Major axis and Minor axis. We can use 11 other way(s) to calculate the same, which is/are as follows -
• Area=1/2*Base*Height
• Area=sqrt((Side A+Side B+Side C)*(Side B+Side C-Side A)*(Side A-Side B+Side C)*(Side A+Side B-Side C))/4