ashleytorres20oxmkd1 ashleytorres20oxmkd1
  • 04-03-2018
  • Mathematics
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sqdancefan
sqdancefan sqdancefan
  • 12-03-2018
3. ΔBDE ~ ΔBCF

4. BF/BC = BE/BD

5. 254/BC = 160/457
.. BC = 254*457/160 ≈ 725 units
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