To solve the area formula \( A = \frac{1}{2}hb \) for \( b \), follow these steps:
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Start with the equation: \[ A = \frac{1}{2}hb \]
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Multiply both sides of the equation by 2 to eliminate the fraction: \[ 2A = hb \]
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Finally, divide both sides by \( h \) to solve for \( b \): \[ b = \frac{2A}{h} \]
Thus, the correct response is: \[ \text{b} = \frac{2A}{h} \]
So the correct answer from your options is: b = 2A/h.