Respuesta :

Apply Pythagorean theorem

  • P²=H²-B²
  • P²=4²-2²
  • P²=16-4
  • P²=12

Now

Again apply Pythagorean theorem

  • x²=12-3²
  • x²=12-9
  • x²=3
  • x=√3

Answer:

the final answer for this problem is √3

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