Co-ordinate

please help me proof this one....The area formed by the three intersecting line

y=m1x + c1, y=m2x + c2, y=m3x + c3.......is

12 Σ[ (c1-c2)2(m1-m2)]

how to proof this one???

2 Answers

106
Asish Mahapatra ·

if (x1,y1), (x2,y2) and (x3,y2) are the three vertices of a triangle,

area of the triangle = 12[x1(y2 - y3) + x2(y3 - y1) + x3(x1 - x2)]

(X class result)

all you have to do now is to find the three points of intersection which should be pretty easy

49
Subhomoy Bakshi ·

I used to hate these type of things always! :P

Your Answer

Close [X]