How to determine if a point is within a triangle?

[sumanbk]

Homework Statement

Hi,
How to check whether a give point is inside or outside the triangle, Please help me .

Homework Equations

The Attempt at a Solution

 

[ApexOfDE]

use your eyes.

 

[ross_tang]

http://www.blackpawn.com/texts/pointinpoly/default.html

This website provides 2 simple methods to do so. You just have to use cross product for the 1st case. Hope it can help you.