brandon20531 brandon20531
  • 20-02-2024
  • Mathematics
contestada

In triangle ABC, where BC = a, AC = b, AB = c, and BD is perpendicular to AC. If ABC = 5, use the cosine rule to show that c =
a) c = a + b
b) c = a - b
c) c = a b
d) c = a / b

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