What is the area of the triangle formed from (-2,2), (1,2) and (0,-6)?
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Answer:-12
Step-by-step explanation:since ar of triangle is =1/2×x1(y2-y3)+x2(y3-y1)+x3(y1-y2)
=1/2×(-2)(2+6)+1×(-6-2)+0
=1/2×-16-8
=-12
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