10809
EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
The Area of a Triangle Using a Determinant
The area of a triangle with vertices at the coordinates
,
, and
is the absolute value of
.
Contributed by:
George Beck
SNAPSHOTS
DETAILS
For how to calculate a 3×3 determinant, see the first two related links.
RELATED LINKS
3×3 Determinants Using Diagonals
(
Wolfram Demonstrations Project
)
3×3 Determinants by Expansion
(
Wolfram Demonstrations Project
)
Triangle Area
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
The Area of a Triangle Using a Determinant
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TheAreaOfATriangleUsingADeterminant/
Contributed by:
George Beck
Share:
Embed Interactive Demonstration
New!
Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site.
More details »
Download Demonstration as CDF »
Download Author Code »
(preview »)
Files require
Wolfram
CDF Player
or
Mathematica
.
Related Demonstrations
More by Author
Representations of Trigonometric and Hyperbolic Functions in Terms of Sector Areas
S. M. Blinder
Determinants Seen Geometrically
George Beck
The Arithmetic-Geometric Mean Inequality (I)
Soledad Mª Sáez Martínez and Félix Martínez de la Rosa
Approximate Area and Circumference of a Circle Using Isosceles Triangles
Xiang Li
Triangle Area Bisectors
Ismail Hammoudeh
Area of a Triangle
Norm Prokup
The Area of the Incentral Triangle
Jay Warendorff
The Area of the Excentral Triangle
Jay Warendorff
The Area of the Contact Triangle
Jay Warendorff
Bisecting the Area and Perimeter of a Triangle
Jaime Rangel-Mondragon
Related Topics
Algebra
Area
Plane Geometry
High School Advanced Calculus and Linear Algebra
High School Mathematics
High School Precalculus
Browse all topics
Related Curriculum Standards
US Common Core State Standards, Mathematics
HSN-VM.C.12
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+