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Sunny_sXe [5.5K]
4 years ago
9

50 points What is the value of X in the triangle below? I need an explain and all work shown.

Mathematics
2 answers:
liubo4ka [24]4 years ago
8 0

You can use the definition of sin to solve it.

sin(45 deg) = x/13

sin(45 deg) is known to be \frac{\sqrt{2}}{2} so

x = \frac{13\sqrt{2}}{2}

Let me know if you have questions.

BARSIC [14]4 years ago
3 0
The answer is C. Why? well, you should know SOH-CAH-TOA. IN THIS CASE YOU WILL USE SOH. SINE OVER HYPOTENUSE. THEN YOU SUBSTITUTE. SIN 45°= OPPOSITE/HYPOTENUSE. SIN45°=X/13 WHICH GIVES U CHOICE C.
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