A) (1, 4)
B) (1, 1)
C) (4, 4)
D) (4, 1)
E) 0
Correct Answer: D
Solution :
Let\[(x,y)\]be the fourth vertex of a parallelogram, then \[\frac{-1+7}{2}=\frac{2+x}{2}\] \[\Rightarrow \] \[x=4\] and \[\frac{-6+2}{2}=\frac{-5+y}{2}\] \[\Rightarrow \] \[y=1\] \[\therefore \]co-ordinate of fourth vertex is (4, 1).You need to login to perform this action.
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