Respuesta :

The answer is 5.8


9^2-square root of 47


81-47=34

Square root of 34 rounded is 5.8


:)

Answer:

x ≈ 5.8 units

Step-by-step explanation:

pythagorean theorem: a² + b² = c²

substitute: x² + √47² = 9²

x² + 47 = 81

x² = 34

x ≈ 5.8309... ≈ 5.8