document.write( "Question 1064464: ΔXYZ, measure of angle∠Y equals=78, XY equals=9, and XZ equals=13. What is measure of angle∠Z? \n" ); document.write( "

Algebra.Com's Answer #679565 by Fombitz(32388) $\"\"$ $\"About$

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Use the law of sines,
\n" ); document.write( " $\"sin%28Y%29%2FXZ=sin%28Z%29%2FXY\"$
\n" ); document.write( " $\"sin%2878%29%2F13=sin%28Z%29%2F9\"$
\n" ); document.write( " $\"sin%28Z%29=%289%2F13%29sin%2878%29\"$
\n" ); document.write( "Use a calculator to solve for $\"Z\"$ .
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