Respuesta :

sqdancefan

9514 1404 393

Answer:

  14.3

Step-by-step explanation:

The Pythagorean theorem is used for this.

  x² + 14² = 20²

  x² = 20² -14² = 400 -196 = 204

  x = √204 ≈ 14.3

The missing side length is 14.3.

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