Question

(2,1), (-1,0) and (-1,2) are the main point of the sides BC,CA and AB, of angle ABC find vertices of angle ABC​

Answer 1

ANSWER

Let A≡(x1,y1)  ;  B≡(x2,y2) ;  C≡(x3,y3)

So,  2x1+x2=4  and  2y1+y2=0

2x2+x3=2  and  2y2+y3=1

2x3+x1=−1  and  2y1+y3=−3

On solving equations in x1,x2,x3 and y

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