Respuesta :

amanueljbday

Answer:

a = √58

Step-by-step explanation:

a² + b² = c²

Fill in the values we know:

a² + 5² = √83²

a² + 25 = 83

Subtract 25 from both sides:

a² + 25 - 25 = 83 - 25

a² = 58

Square root both sides to get 'a' by itself:

√a² = √58

a = √58

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