Thank you for the opportunity to help you with your question!
The good thing is, we are given the lengths of all three sides.
You are free to use any 3 of the trigonometric functions.
sin B = 8/17
cos B = 15/17
tan B = 8/15
I will use sin B = 8/17 to solve for angle B. B = arcsin (8/17) by taking the inverse of sine on both sides of the equation.
B = arcsin (0.47058823 ) = 28.07248693 degrees.
Therefore if we round this number, we get: angle B = 28 degrees.
Choose Choice A. 28
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