Category: Plane Geometry (2D)

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A plane, in relation to mathematics, is a flat two-dimensional surface. A plane is the two-dimensional analogue of a point (zero dimensions), a line (one dimension) and three-dimensional space. Planes can arise as subspaces of some higher-dimensional space, as with the walls of a room, or they may enjoy an independent existence in their own right, as in the setting of Euclidean geometry.

Many fundamental tasks in mathematics, geometry, trigonometry, graph theory and graphing are performed in a two-dimensional space, or in other words, in the plane.

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Geometry

Plane Geometry (2D) Calculators and Collections

Plane Geometry (2D) Equations

Adjacent Side - Pythagorean Theorem MichaelBartmess Use Equation
Angle From Law of Sines MichaelBartmess Use Equation
Angle of a Circle Arc from Radius and Chord Depth KurtHeckman Use Equation
Arc Length from Chord Length and Radius KurtHeckman Use Equation
Area of a Circle KurtHeckman Use Equation
Area of a Circle HugoMwandwe17 Use Equation
Area of a Circle Arc Segment KurtHeckman Use Equation
Area of a Kite Cmon Use Equation
Area of a Polygon KurtHeckman Use Equation
Area of a regular polygon (given apothem & number of sides) Batman Use Equation
Area of a regular polygon (given perimeter & number of sides Batman Use Equation
Area of a Square KurtHeckman Use Equation
Area of a Stadium KurtHeckman Use Equation
Area of a Trapezium HugoMwandwe17 Use Equation
Area of Circle Around a Triangle vCollections Use Equation
Area of Circle Within a Triangle vCollections Use Equation
Area of Circular Annulus KurtHeckman Use Equation
Area of Equilateral Triangle vCollections Use Equation
Area of Regular Polygon [apothem, number of sides] MichaelBartmess Use Equation
Area of Regular Polygon [perimeter, number of sides] MichaelBartmess Use Equation
Area of Semicircle KurtHeckman Use Equation
Area of semicircle with diameter Anastase Use Equation
Area of Triangle (base and height) KurtHeckman Use Equation
Area of Triangle (three points) KurtHeckman Use Equation
Area of Triangle (three sides) KurtHeckman Use Equation
Area of Triangle (two sides and interior angle) KurtHeckman Use Equation
Area Unit Conversion KurtHeckman Use Equation
Ballistic Flight Parabolic Equation KurtHeckman Use Equation
Bell-shaped Arc Length KurtHeckman Use Equation
Bell-shaped Area KurtHeckman Use Equation
Bell-shaped Height KurtHeckman Use Equation
Cartesian to Polar KurtHeckman Use Equation
Central angle of horizon eng Use Equation
Centroid of a Beam Section MichaelBartmess Use Equation
Chord Length KurtHeckman Use Equation
Chord Length from Arc Length and Radius KurtHeckman Use Equation
Circle - Area f(Circumference) vCollections Use Equation
Circle - Area f(diameter) vCollections Use Equation
Circle - area of an arc sector MichaelBartmess Use Equation
Circle - area of an arc segment MichaelBartmess Use Equation
Circle - area of arc KurtHeckman Use Equation
Circle - area of sector KurtHeckman Use Equation
Circle - radius MichaelBartmess Use Equation
Circle - radius around triangle KurtHeckman Use Equation
Circle - Radius from Area KurtHeckman Use Equation
Circle - radius in triangle KurtHeckman Use Equation
Circle Chord Length from Angle and Radius KurtHeckman Use Equation
Circle Circumference KurtHeckman Use Equation
Circle Diameter from Area KurtHeckman Use Equation
Circle Equation from Center and one Point KurtHeckman Use Equation
Circle Equation from Three Points KurtHeckman Use Equation
Circle Radius from Circumference MichaelBartmess Use Equation
Circle Radius-to-Side of Square MichaelBartmess Use Equation
Circle with Center on Y-axis MichaelBartmess Use Equation
Circle- Circumference f(Area) KurtHeckman Use Equation
Decagon Area vCollections Use Equation
Diagonal of a Square MichaelBartmess Use Equation
Distance between two points KurtHeckman Use Equation
Distance Division KurtHeckman Use Equation
Dodecagon Area vCollections Use Equation
Eccentricity KurtHeckman Use Equation
Ellipse - circumference (apx 3) KurtHeckman Use Equation
Ellipse - circumference (apx1) MichaelBartmess Use Equation
Ellipse - circumference (apx2) KurtHeckman Use Equation
Ellipse - circumference (apx3) KurtHeckman Use Equation
Ellipse - Linear Eccentricity KurtHeckman Use Equation
Ellipse Area KurtHeckman Use Equation
Ellipse Axes-to-Circle Radius MichaelBartmess Use Equation
Ellipse Axis Length KurtHeckman Use Equation
Elliptical Mass KurtHeckman Use Equation
Elliptical Volume KurtHeckman Use Equation
Equilateral Triangle Area KurtHeckman Use Equation
Equilateral Triangle Volume vCollections Use Equation
Force Vector Components 2D KurtHeckman Use Equation
Golden Rectangle MichaelBartmess Use Equation
Hausdorff Dimension MichaelBartmess Use Equation
Height of Triangle KurtHeckman Use Equation
Hendecagon Area vCollections Use Equation
Heptagon Area vCollections Use Equation
Hexagon Area KurtHeckman Use Equation
Hexagon Side Length from Area KurtHeckman Use Equation
Hypotenuse - Pythagorean Theorem MichaelBartmess Use Equation
Interpolation KurtHeckman Use Equation
Length Conversion MichaelBartmess Use Equation
Length of Circle Arc KurtHeckman Use Equation
Length of Equilateral Triangle Sides KurtHeckman Use Equation
Length Units Conversion KurtHeckman Use Equation
Linear Equation KurtHeckman Use Equation
mid-point between two points KurtHeckman Use Equation
Moment of Inertia of a Beam Section MichaelBartmess Use Equation
Morley's Trisector Theorem EmilyB Use Equation
Nonagon Area vCollections Use Equation
Octagon Area KurtHeckman Use Equation
Octagon Radius from Area KurtHeckman Use Equation
Octagon Radius from Side Length KurtHeckman Use Equation
Octagon Side from Area KurtHeckman Use Equation
Octagon Side Length from Radius KurtHeckman Use Equation
Octagon Side Length in a Square KurtHeckman Use Equation
Oval Volume KurtHeckman Use Equation
Oval Volume Weight KurtHeckman Use Equation
Parabola MichaelBartmess Use Equation
Parabola Arc Length KurtHeckman Use Equation
Parabola Area KurtHeckman Use Equation
Parabolic Area (Concave) KurtHeckman Use Equation
ParabolicArcArea KurtHeckman Use Equation
Parallelogram - area1 KurtHeckman Use Equation
Parallelogram - area2 KurtHeckman Use Equation
Parallelogram - perimeter KurtHeckman Use Equation
Pentadecagon Area KurtHeckman Use Equation
Pentagon Area vCollections Use Equation
Perimeter of a Polygon from Number and Length of Sides KurtHeckman Use Equation
Polar to Cartesian KurtHeckman Use Equation
Polygon - area2 KurtHeckman Use Equation
Polygon - area3 KurtHeckman Use Equation
Polygon - area4 MichaelBartmess Use Equation
Polygon - Circumference f(n,A) KurtHeckman Use Equation
Polygon - perimeter2 KurtHeckman Use Equation
Polygon Perimeter from Inner Radius and Number of Sides KurtHeckman Use Equation
Polygon Side Length from Area KurtHeckman Use Equation
Polygon Side within a Circle KurtHeckman Use Equation
Quadrilateral Area from Sides and Angles KurtHeckman Use Equation
Quadrilateral Area from Sides and Diagonal vCollections Use Equation
Quadrilateral Perimeter MichaelBartmess Use Equation
Quadrilateral Semi-Perimeter KurtHeckman Use Equation
Radius of a Circle around a Polygon KurtHeckman Use Equation
Radius of Circle from Chord Length and Arc Height KurtHeckman Use Equation
Radius of Circle within a Polygon KurtHeckman Use Equation
Radius of Displaced Circle MichaelBartmess Use Equation
Range to Base KurtHeckman Use Equation
Rectangle Area KurtHeckman Use Equation
Rectangle Diagonal MichaelBartmess Use Equation
Rectangle Perimeter KurtHeckman Use Equation
Regular Polygon Interior Angle KurtHeckman Use Equation
Side - Pythagorean Theorem MichaelBartmess Use Equation
Square Footage of a Triangle (base and height) KurtHeckman Use Equation
Square Footage of a Triangle (three sides) KurtHeckman Use Equation
Square Perimeter DavidC Use Equation
Sum of Two Angles KurtHeckman Use Equation
Tangent-Secant Theorem MichaelBartmess Use Equation
Trapezoid Area KurtHeckman Use Equation
Trapezoid Perimeter KurtHeckman Use Equation
Triangle (Rt.) - cos( $theta$ ) MichaelBartmess Use Equation
Triangle (Rt.) - sin( $theta$ ) MichaelBartmess Use Equation
Triangle (Rt.) - tan( $theta$ ) MichaelBartmess Use Equation
Triangle - Angle KurtHeckman Use Equation
Triangle Area from Two Angles and Interior Side KurtHeckman Use Equation
Triangle Perimeter KurtHeckman Use Equation
Triangle semi-Perimeter KurtHeckman Use Equation
Triangle Side Length KurtHeckman Use Equation
Triangle Third Side KurtHeckman Use Equation
Width of a Rectangle vCollections Use Equation
Width of Triangle KurtHeckman Use Equation
$cos theta = (Deltax)/|Deltar|$ vCollections Use Equation
$Delta x = |Deltar|* cos theta$ vCollections Use Equation
$Delta y = |Deltar|* sin theta$ vCollections Use Equation
$Deltax_t = Deltax_1 + Deltax_2$ vCollections Use Equation
$Deltay_t = Deltay_1 + Deltay_2$ vCollections Use Equation
$sin theta = (Deltay)/|Deltar|$ vCollections Use Equation
$theta = cos^-1(hatA * hatB)$ vCollections Use Equation
$vecA * vecB$ vCollections Use Equation
$vecA + vecB$ vCollections Use Equation
$vecA - vecB$ vCollections Use Equation
$|r| = sqrt(Deltax^2 + Deltay^2)$ vCollections Use Equation
$|vecA + vecB|$ vCollections Use Equation

Plane Geometry (2D) WikiClips

Circle Calculators List vCollections

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Plane Geometry (2D)

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Plane Geometry (2D) Calculators and Collections

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