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Ad libitum [116K]
3 years ago
5

See below to answer this question

Mathematics
2 answers:
Zinaida [17]3 years ago
6 0

Answer: OPTION A.

Step-by-step explanation:

Observe the figure attached.

The first step is the find "a". In order to find this side, we need to use this Trigonometric Identity:

sin\alpha=\frac{opposite}{hypotenuse}

In this case:

\alpha=45\°\\\\opposite=12\\\\hypotenuse=a

Then, substituting values and solving for "a", we get:

sin(45 \°)=\frac{12}{a}\\\\a=\frac{12}{sin(45 \°)}\\\\a=12\sqrt{2}

Now we must apply this Trigonometric Identity:

tan\theta=\frac{opposite}{adjacent}

In this case:

\theta=60\°\\\\opposite=12\sqrt{2}\\\\adjacent=x

Then, substituting values and solving for "x", we get:

tan(60\°)=\frac{12\sqrt{2}}{x}\\\\x=\frac{12\sqrt{2}}{tan(60 \°)}\\\\x=4\sqrt{6}

ipn [44]3 years ago
5 0

Answer:

c. 6√2

Step-by-step explanation:

The step by step explanation is shown in the picture above

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