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anonymous

  • one year ago

Can some help me understand what they want me to do? Verify that parallelogram abcd with vertices a(-5 -1) b(-9,6) c(-1,5) and d(3,-2) is a rhombus by showing that is a parallelogram with perpendicular diagonals.

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  1. anonymous
    • one year ago
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    @SolomonZelman

  2. anonymous
    • one year ago
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    @aaronq Do I just use distance formula from A to C and then from B to D?

  3. anonymous
    • one year ago
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    for abcd, ac and bd are diagonals, right? find ac, bd and you will see their slopes are \(\perp\) That is , if slope of ac is \(m_1\), then slope of bd is \(-\dfrac{1}{m_1}\)

  4. anonymous
    • one year ago
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    Oh duh thanks!

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