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  • 09-10-2018
  • Mathematics
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Find AB if BC = 4, BD = 5, and AD = 2.
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atrammel2055
atrammel2055 atrammel2055
  • 09-10-2018

Solving this system of equations without a CAS: $4=a+c$, $5=d+ac+b$, $4=ad+bc$, $4=bd$ 2

Let $A,B,C,D$ be the vertices of a four sided polygon taken in anti clockwise. Given $|AB|=|BC|=3,|AD|=|CD|=4,|BD|=5$ , Find $|AC|$ 1

Find $ad - bc$ if $ac = 18$ and $bd = 50$ 2

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