Show that the triangle with vertices A(2, -3), B(6, -8), and C(-3, -7) is a right triangle by using the converse of the Pythagorean Theorem.  We must first find the length of all three sides of the triangle by finding the distance between the vertices. d(A,B)= d(B,C)= d(A,C)=   Find the area of the triangle:

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.4: Basic Constructions Justified
Problem 38E
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Show that the triangle with vertices A(2, -3), B(6, -8), and C(-3, -7) is a right triangle by using the converse of the Pythagorean Theorem. 

We must first find the length of all three sides of the triangle by finding the distance between the vertices.

d(A,B)=

d(B,C)=

d(A,C)=

 

Find the area of the triangle: 

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