How many triangles ABC can be constructed with angle A = 90^circ, b = AC = 5 cm and a = BC = 7 cm?

  1. 0
  2. 2
  3. 1
  4. 3
Answer

C) 1

With angle A = 90^circ (not acute), the side opposite A must be the longest. Here a = 7 b = 5, so there is one triangle. SLO M-09-B-30 · Knowledge

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