The answer is: [D]: " (5√2) / 2 " .
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Using SOH CAH TOA:
Use SOH: sin = opposite/hypotenuse;
sin 45 = (opp) / 5 ;
5* (sin 45) = (opposite) = our answer;
5* [(√2) / 2] = (5√2) / 2 ; which is: Answer choice: [D] .
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