The area of the triangle formed by the points A (83)
B (3,-4) and C(2,-5) is
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Step-by-step explanation:
The area of the ΔABC with vertices
A(x1,y1)=(3,0),B(x2,y2)=(7,0) & C(x3,y3)=(8,4) is
Ar.ΔABC=21[x1(y2−y3)+x2(y3−y1)+x3(y1−y2)]
=21{3(0−4)+7(4−0)+8(0−0)} sq.units =8 sq. units.
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