document.write( "Question 1159090: A girl starts from point A and walks 285m to B on a bearing of 078°. She then walks due south to a point C which is 307m from A. What is the bearing of A from C, and what is |BC|. \n" ); document.write( "

Algebra.Com's Answer #782111 by AnlytcPhil(1806) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "I just realized I found the wrong bearing above.  You asked for the bearing of A\r\n" );
document.write( "from C and I misread and found the bearing of C from A instead. What you want\r\n" );
document.write( "is the outside (reflex) angle at C, indicated by the green arc below.\r\n" );
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document.write( "Since ∠DAC = 24.78214909°, ∠ACD = 90°-∠DAC = 90°-24.78214909°=65.21785091°, and\r\n" );
document.write( "the green outside (reflex angle) is 360°-∠ACD = 360°-65.21785091° =\r\n" );
document.write( "294.7821491° \r\n" );
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document.write( "Edwin \n" );
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