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18-03-2022
Mathematics

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Find the unknown length x in the right triangle, to the nearest tenth.

Find the unknown length x in the right triangle to the nearest tenth class=

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sqdancefan sqdancefan

18-03-2022

Answer:

11.3

Step-by-step explanation:

The side opposite the given angle is unknown. The hypotenuse is also given. The trig function that relates the angle, opposite side, and hypotenuse is the sine function:

Sin = Opposite/Hypotenuse

sin(39°) = x/18

x = 18·sin(39°) ≈ 11.3

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