(1,2),(-5,3), (3,2) find the area of the tringle formed
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The answer will be
2 sq units..
Please mark as brainliest..
2 sq units..
Please mark as brainliest..
Answered by
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Heya !!!
Area of ∆ = 1/2 [x1(y2-y3)+x2(y3-y1)+x3(y1-y2)]
=> 1/2 [1(3-2)+(-5)(2-2)+3(2-3)]
=> 1/2 [1(1)-5(0)+3(-1)]
=> 1/2 [1-0-3]
=> 1/2 (-2)
=> -1 sq. units
Area of ∆ = 1/2 [x1(y2-y3)+x2(y3-y1)+x3(y1-y2)]
=> 1/2 [1(3-2)+(-5)(2-2)+3(2-3)]
=> 1/2 [1(1)-5(0)+3(-1)]
=> 1/2 [1-0-3]
=> 1/2 (-2)
=> -1 sq. units
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