Respuesta :

marcthemathtutor

Answer:

3.09m

Step-by-step explanation:

refer to attached

by Pythagorean theorem,

x² = 2.8² + 1.3²

x² = 7.84 + 1.69

x² = 9.53

x = ±√9.53

x = ±3.09

since diagonal cannot be negative, hence we pick the positive number

x = 3.09m

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