If the coordinates of the midpoint of the sides of a triangle are (1, – McqOptions

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1.	If the coordinates of the midpoint of the sides of a triangle are (1, 2), (0, - 1) and (2, - 1). Find the coordinates of its vertices:
A.	(1, - 4), (3, 2), (-1, 2)
B.	(1, 2), (2, 3), (3, - 4)
C.	(3, 4), (5, 2), (1, 2)
D.	(3, 2), (-1, 2), (1, - 4)
Answer» E.

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