Which equation can be used to solve for b?

2 answers
Question:

Which equation can be used to solve for b?

Answers

Using the law of tangents: Tan(angle) = Opposite leg / Adjacent legTan(30) = b / 8Rewrite to solve for b:b = 8 * tan(30)The first answer is correct.

Answer:b = 8 * Tan 30Step-by-step explanation:Points to rememberTrigonometric ratioTan θ = Opposite side/Adjacent sideFrom the figure we can see that a right angled triangle ABCBc = 8ft, <C = 90° and  <B = 30°To find the equation of finding the bWe have,Tan θ = Opposite side/Adjacent sideTan 30 = AC/BC  = b/8b = 8 * Tan 30

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