document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1203469>Question 1203469</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the shadow of a pole 7m high is =1/2 its length,what is the angle of elevation of sun correct to the nearest degree </SPAN>\n" );
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document.write( "The pole is 7 meters tall. Half of this is 3.5 meters which is the shadow length.<BR>\n" );
document.write( "x = unknown angle of elevation\r<BR>\n" );
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document.write( "Draw a right triangle with:<BR>\n" );
document.write( "vertical leg = 7 = opposite angle x<BR>\n" );
document.write( "horizontal leg = 3.5 = adjacent to angle x<BR>\n" );
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document.write( "tan(angle) = opposite/adjacent<BR>\n" );
document.write( "tan(x) = 7/3.5<BR>\n" );
document.write( "tan(x) = 2<BR>\n" );
document.write( "x = arctan(2)<BR>\n" );
document.write( "x = 63.434948822922<BR>\n" );
document.write( "x = <font color=red>63 degrees</font><BR>\n" );
document.write( "Arctan is the same as inverse tangent. Make sure that your calculator is in degree mode.\r<BR>\n" );
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document.write( "Answer: <font color=red>63 degrees</font> (approximate)<BR>\n" );
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