document.write( "Question 1011905: the location of 4 twins P,Q,R and T such that Q is on a bearing of
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Algebra.Com's Answer #627718 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
the location of 4 twins P,Q,R and T such that Q is on a bearing of
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\n" ); document.write( "the distance between P and Q.
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document.write( "Bearings when no direction is given are always taken \r\n" );
document.write( "rotating CLOCKWISE starting at NORTH (straight upward).\r\n" );
document.write( "Due north means straight upward. [A bearing of 270° is\r\n" );
document.write( "the same as 'due west', or \"directly horizontal to\r\n" );
document.write( "the left\"]\r\n" );
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document.write( "This is not a very interesting problem because the 16 km given is not\r\n" );
document.write( "even needed at all.  All we need is right triangle PQT, from which\r\n" );
document.write( "we can find PQ.\r\n" );
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document.write( "We find that angle PQT is 90°-47° = 43° and so\r\n" );
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document.write( "\"tan%28PQT%29=PT%2F%28PQ%29\"\r\n" );
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document.write( "\"tan%28%2243%B0%22%29=12%2F%28PQ%29\"\r\n" );
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document.write( "\"PQ%2Atan%28%2243%B0%22%29=12\"\r\n" );
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document.write( "\"PQ=12%2Ftan%28%2243%B0%22%29\"\r\n" );
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document.write( "\"PQ=12%2F0.9325150861\"\r\n" );
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document.write( "\"PQ=matrix%281%2C2%2C11.19018103%2Ckm%29\"\r\n" );
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document.write( "It would be a lot more interesting problem if you had\r\n" );
document.write( "been asked something that would require you to use the\r\n" );
document.write( "16 km that was given, such as the distance from Q to R\r\n" );
document.write( "or R to T.\r\n" );
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document.write( "Are you sure you copied the problem correctly?  If\r\n" );
document.write( "so, the answer is 11.19 km, which does not involve the\r\n" );
document.write( "16 km distance from.\r\n" );
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document.write( "If you did not copy the problem correctly and you were\r\n" );
document.write( "asked for something else, then tell me what was asked\r\n" );
document.write( "in the thank-you note form below, and I'll get back to\r\n" );
document.write( "you by email.\r\n" );
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document.write( "Edwin
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