math

-3+-5--4-+2= -6
would that be correct?
also The coordinates of three vertices of a triangle are (3,5),(-1,5)and
(-1,-3) what is the area of the triangle? 32?

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asked by heather
  1. -6 is correct.

    If you use the cross multiplication method to find the area, you'd have to divide the sum by 2 to get 32/2=16.

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    posted by MathMate

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