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In rectangle PQRS, SQ = 78, PS = 30, and mPRS = 23°. Find SR.

In Rectangle PQRS SQ 78 PS 30 And MPRS 23 Find SR class=

Answer :

[tex]\cos (23)=\frac{sr}{78}\rightarrow78\cdot\cos (23)=SR=67.20[/tex]

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