If x = 10, y = 5, and z = 11, what is the sine ratio for g°?

triangle ACB, angle C is a right angle, angle B measures g degrees, angle A measures h degrees, segment AC measures x, segment CB measures y, and segment AB measures z

one half
2 over 1
ten elevenths
five elevenths

1 answer

To find the sine ratio for angle \( g \) in triangle ACB where angle C is a right angle, we can use the definition of the sine function for a right triangle:

\[ \sin(g) = \frac{\text{opposite}}{\text{hypotenuse}} \]

In this scenario:

  • The segment opposite to angle B (which measures \( g \) degrees) is segment AC, which has a length of \( x = 10 \).
  • The hypotenuse of the triangle is segment AB, which has a length of \( z = 11 \).

Now we can substitute these values into the sine ratio:

\[ \sin(g) = \frac{AC}{AB} = \frac{x}{z} = \frac{10}{11} \]

Since we need to determine which of the options given corresponds to this value, we see that:

  • The options provided are:
    • one half
    • 2 over 1
    • ten elevenths
    • five elevenths

The sine ratio we calculated, \( \frac{10}{11} \), matches the option "ten elevenths."

Thus, the answer is: ten elevenths.

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