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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.
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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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@aaronq Do I just use distance formula from A to C and then from B to D?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0for 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 \(\dfrac{1}{m_1}\)
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