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The picture shows a barn door what is the distance BC between two horizontal parallel bars? Download png

Nicholas Rivera

in Mathematics

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Victoria Fowler on November 5, 2018

We know that the length of the side adjacent to angle a, BC, and we want to know the opposite side, BC. What trig ratio describes the relationship between the opposite and adjacent? The Tangent! tan (x) = opp / adjIn this case, tan (45°) = BC / 4th to get BC by itself, multiply both sides by 44 * tan (45°) = BCThe answer is D


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