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joja [24]
2 years ago
12

What is the value of x in simplest radical form?

Mathematics
1 answer:
Crank2 years ago
8 0

Answer:

D. x = \frac{5*\sqrt{2}}{2}

Step-by-step explanation:

Reference angle = 45°

Length of Opposite side = x

Hypotenuse length = 5

Applying trigonometric ratio, we have:

sin(45) = \frac{x}{5}

Multiply both sides by 5

5*sin(45) = \frac{x}{5}*5

5*sin(45) = x

5*\frac{1}{\sqrt{2}} = x (sin 45 = 1/√2)

\frac{5}{\sqrt{2}} = x

Rationalize

\frac{5*\sqrt{2}}{\sqrt{2}*\sqrt{2}} = x

x = \frac{5*\sqrt{2}}{2}

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