Area of a Triangle
Area of a triangle concepts are presented in this in-depth math lesson from Math Goodies.
http://www.mathgoodies.com/lessons/vol1/area_triangle.html - 25 KB
Triangle - Wikipedia, the free encyclopedia
A triangle is one of the basic shapes of geometry: a polygon with three corners or - Calculating the area of a triangle is an elementary problem -
http://en.wikipedia.org/wiki/Triangle - 98 KB
Area of a triangle (conventional method) - Math Open Reference
The conventional method of calculating the area of a triangle (half base times altitude) with pointers to other methods and special formula for equilateral triangles
http://www.mathopenref.com/trianglearea.html - 13 KB
Area of a triangle
For instance, there's the basic formula that the area of a triangle is half the base times the height. - As in the proof of the law of sines in the previous section, drop a -
http://www.clarku.edu/~djoyce/trig/area.html - 5 KB
Area of a triangle (7 different ways)
If the vertices are at integer points on a grid of points then there is another: - h is the height of the altitude of the triangle with base a. -
http://www.btinternet.com/~se16/hgb/triangle.htm - 10 KB
Unit 9 Section 5 : The Area of a Triangle
Work out the answer to each of these questions then click on the button marked to see whether you are correct. What is the area of triangle A? -
http://www.cimt.plymouth.ac.uk/projects/mepres/book7/bk7i9/bk7_9i5.htm - 19 KB
Area of a triangle (Coordinate Geometry) - Math Open Reference
How to determine the area of a triangle given the coordinates of the three vertices using a formula
http://www.mathopenref.com/coordtrianglearea.html - 14 KB
Area of a Right-Angled Triangle
An introduction to calculating the area of triangles by using a formula.
http://www.mathsteacher.com.au/year7/ch13_area/04_triangle/right.htm - 13 KB
Area of Triangles
This demo illustrates two methods for computing the area of a triangle (and other regions) using the coordinates of the vertices. Both methods lead to interesting -
http://mathdemos.gcsu.edu/mathdemos/trianglearea/trianglearea.html - 31 KB
Area of a Triangle - The Basics and Examples
Free Math Tutor Online. Learn about the area of a triangle using math videos, study tips and practice questions with step-by-step solutions.
http://www.mathexpression.com/area-of-a-triangle.html - 43 KB
