Respuesta :

Answer:

i think you may have to use sin or cos

Step-by-step explanation:

SjpSparkle

Answer:

9m (You were correct!!!!)

Step-by-step explanation:

Use Pythagorean Theorem:

[tex]a^{2} +b^{2} = c^{2}[/tex]

⬆️  ⬆️   ⬆️

  legs    hypotenuse

x² + 12² = 15²

x² + 144 = 225

x² = 81

x = 9

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