the area of triangle whose vertices are (1,-1) (2,1) and (4,5) is? 0 or 1 sq. units or 5 sq.units or 8sq units?
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the area of triangle whose vertices are (1,-1) (2,1) and (4,5) is? 0 or 1 sq. units or 5 sq.units or 8sq units?
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Answer:
The area of the ∆ is 0 sq. units.