document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1206669>Question 1206669</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An aeroplane is flying at a height of 200metre. It's angle of elevation to an observer on the ground is 23°. Calculate the distance of the aeroplane from the observer. </SPAN>\n" );
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document.write( "vertical leg 200 metres<BR>\n" );
document.write( "horizontal leg not known<BR>\n" );
document.write( "Angle at the observer on ground to the aeroplane 23 degrees<BR>\n" );
document.write( "Angle at the aeroplane, 67 degrees\r<BR>\n" );
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document.write( "You want to calculate length of hypotenuse.  h.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2Fh=sine%2823%29 ALIGN=MIDDLE  ALT=\"200%2Fh=sine%2823%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >----------compute h. </SPAN>\n" );
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