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  • 29-12-2020
  • Mathematics
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Find BC. PLEASEEE HELP

Find BC PLEASEEE HELP class=

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jesusm1
jesusm1 jesusm1
  • 29-12-2020

Answer:

Concept: Geometric Identities

  1. We want BC
  2. We will use geometric identities to get our value
  3. We have BA and AC and angle !A
  4. Hence arccos(89)= 21/x
  5. Hence X=25 km B
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