Question

Find the area of a triangle formed by (a,b+c) (b,c+a) (c,a+b).

Answer 1

Step-by-step explanation:

Area =1/2[ {b(b+c)+c (c+a)+a ( a+b) } - { a(c+a)+b(a+b)+ c(b+c)}]

= {( a²+b²+c²+ab+bc+ca) --

( a²+b²+c²+ab+ bc+ can)}

= 0

Therefore triangle is not drown