Question

The mid-points of the sides BC,CA and AB of △ABC are D(2,1),E(−1,−3) and F(4,5) respectively. Find the coordinates of A,B and C.​

Answer 1

Step-by-step explanation:

Answer

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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,x

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Answer 2

Answer:

Step-by-step explanation: