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ryzh [129]
2 years ago
15

Solve angle X to 1 dp

Mathematics
1 answer:
geniusboy [140]2 years ago
7 0

Answer:

x ≈ 57.8°

Step-by-step explanation:

using the Sine rule in the triangle

\frac{11}{sinx} = \frac{8}{sin38} ( cross- multiply )

8 × sinx = 11 × sin38° ( divide both sides by 8 )

sinx = \frac{11sin38}{8} , then

x = sin^{-1} ( \frac{11sin38}{8} ) ≈ 57.8° ( to 1 dec. place )

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