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3 years ago

Help please ……………………..

Mathematics

2 answers:

ExtremeBDS [4]3 years ago

8 0

Answer:

b ≈ 48.6°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin b = $\frac{opposite}{hypotenuse}$ = $\frac{9}{12}$ , then

b = $sin^{-1}$ ( $\frac{9}{12}$ ) ≈ 48.6° ( to 1 dec. place )

Sergeeva-Olga [200]3 years ago

3 0

The above answer is correct

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