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Mathematics 15 Online
OpenStudy (moonlitfate):

Find the lengths of all the unknown members of the truss. (See picture)

OpenStudy (moonlitfate):

OpenStudy (anonymous):

\[a=\frac{36}{2}\text{Sec}\left[\text{ArcSin}\left[\frac{6}{9}\right]\right]=\frac{54}{\sqrt{5}} \]

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