Respuesta :

Answer:

x = 51°

Step-by-step explanation:

Use sine:

Sine = opposite

__________

hypotenuse

We have:

Opposite = 7

Hypotenuse = 9

Substitute:

Sin x° = 7

___

9

Sin x° = 0.777....

Sin x = 0.7778 = x = 51°

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