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Solve angle X to 1 dp

Solve angle X to 1 dp-example-1

1 Answer

8 votes

Answer:

x ≈ 57.8°

Explanation:

using the Sine rule in the triangle


(11)/(sinx) =
(8)/(sin38) ( cross- multiply )

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

sinx =
(11sin38)/(8) , then

x =
sin^(-1) (
(11sin38)/(8) ) ≈ 57.8° ( to 1 dec. place )

User Schilli
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