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Alina [70]
3 years ago
7

Look at the triangle below.

Physics
1 answer:
slega [8]3 years ago
7 0

Answer:

a = 32.48538491

b = 25.59883264

Step-by-step explanation:

To find the length of a, use the sine function:

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

sin 38 = \frac{20}{a} \\a = \frac{20}{sin38}\\a = 32.48538491

To find the length of b, use tangent:

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

tan 38 = \frac{20}{b} \\b = \frac{20}{sin38}\\b = 25.59883264

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