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steffanie1995 Group Title

matrices help?

  • one year ago
  • one year ago

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  1. steffanie1995 Group Title
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    what is the area of the triangle withe the vertices (-1,-4), (-3,-2) and (-4,-2) A. 1 B. 1.5 C. 21.5 D. 23

    • one year ago
  2. jishan Group Title
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    |dw:1368644792810:dw|

    • one year ago
  3. steffanie1995 Group Title
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    ?

    • one year ago
  4. jishan Group Title
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    by using formula

    • one year ago
  5. jishan Group Title
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    1/2.x1(y2-y3)+x2(y3-y1)+x3((y1-y2)

    • one year ago
  6. steffanie1995 Group Title
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    so would it be c?

    • one year ago
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is replying to Can someone tell me what button the professor is hitting...

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