When Emily commutes to work, the amount of time it takes her to arrive is normally distributed with a mean of 25 minutes and a s
1 answer:
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Answer:
Step-by-step explanation:
First, take a look to the picture that I attached, however please note the triangle is not drawn to scale, the figure is just to provide visual aid. As you can see the value of this is because of the sum of the interior angles in a triangle is always equal to 180°. So:
Now, we can use the law of sines, which states:
Hence:
Answer:
∠ A ≈ 16.67°
Step-by-step explanation:
Using the Sine rule in Δ ABC
=
, substitute values
=
( cross- multiply )
16 sinA = 8 sin35° ( divide both sides by 16 )
sin A = , thus
∠ A = (
) ≈ 16.67° ( to 2 dec. places )