First create a Point class, and then define Trianglele class. Defined in the Trianglele Three Point class of entities to represent a triangle of three points, and then define a method to initialize setTri these three points, then define two methods find the perimeter of the triangle area. In the main () to create an object, find the point of the triangle given perimeter, area.

Trianglele.class
Trianglele.java
readme.txt

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