find the area of triangle whose vertices is (-2,1) (3,1) (2-3)??
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Step-by-step explanation:
answer is in pic
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Answer:
we know that ar traingle by coordinate is
Step-by-step explanation:
1/2 A x ( B y − C y ) + B x ( C y − A y ) + C x ( A y − B y )
so ar = 1/2(-2-9+2) - (3+2+-3)
=1/2*18=
-9 unit - sign neglet
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