document.write( "Question 1202761: An airplane is observed to be approaching a point at a distance of 12km from the point of observation and makes an angle of elevation of 50°. Find the height of the airplane above the ground.
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Algebra.Com's Answer #837859 by ikleyn(52800)\"\" \"About 
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document.write( "The relevant figure is a right angled triangle with the hypotenuse of 12 km \r\n" );
document.write( "and with an acute angle of 50° at the observation point on the ground level.\r\n" );
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document.write( "They want you find the opposite leg (which represents the height).\r\n" );
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document.write( "It is  \"12%2Asin%2850%5Eo%29\" kilometers.\r\n" );
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document.write( "Use your calculator and complete calculation on your own  (since it is elementary).\r\n" );
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