document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1179503>Question 1179503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airport is located at D(0,0). A plane is currently positioned at C(-9, - 16). The radar system at the airport covers the area defined by x2 + y2 = 324. Will the plane show up on the radar at its current position? Explain. </SPAN>\n" );
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document.write( "x^2+y^2=324 is a circle with center at D(0,0) and radius sqrt(324)=18.<br><BR>\n" );
document.write( "The distance of the plane from the airport is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%289%5E2%2B16%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%289%5E2%2B16%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<br><BR>\n" );
document.write( "Calculate that distance and see whether the plane's distance from the airport is more or less than 18; then answer the question with an appropriate explanation.<br><BR>\n" );
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