Respuesta :

Triangle XYZ is a right triangle.

What value should f be to yield 90 degrees?

6(3f - 15)°.

Let f be 8, 10, 12, 15.

When f = 10, we get 90 degrees for angle Z.

Z = 6(3•10 - 15)

Z = 6(30 - 15)

Z = 6(15)

Z = 90

Answer: Choice B.

okay so your answer would be  B.)  f=10

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