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In the diagram below, if the measure of < C = 45 °, and side AB = 6.8, then side BC = _____.
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In the diagram below, if the measure of < C = 45 °, and side AB = 6.8, then side BC = _____.

In the diagram below, if the measure of < C = 45 °, and side AB = 6.8, then side-example-1
User P Moran
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1 Answer

7 votes

Solution

Since


\begin{gathered} \tan45=(6.8)/(BC) \\ \\ \Rightarrow BC=(6.8)/(\tan45)=6.8\text{ since}\tan45=1 \end{gathered}

The correct option is A.

In the diagram below, if the measure of < C = 45 °, and side AB = 6.8, then side-example-1
User Noumanniazi
by
7.9k points
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