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PLEASE HELPPP!!! QUESTION AND ANSWERS IN PICTURE !!!

PLEASE HELPPP!!! QUESTION AND ANSWERS IN PICTURE !!!-example-1

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Sohcahtoa.
Sine = Opposite/Hypotenuse
Cosine = Adjacent/Hypotenuse
Tangent = Opposite/Adjacent

So we need to find out he sine of angle A. So what is the opposite of angle A? 8

Now we need to find the hypotenuse. The hypotenuse is always across from the right angle, therefore it is 10.

So sine = O/H

Opposite = 8
Hypotenuse = 10

8/10 simplified is 4/5

The answer is B, 4/5
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