document.write( "Question 870253: Hello, would you help me not to answer the question but tell me what to do to get the answer. Thank you for your time. \r
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document.write( "Melinda is lying on the beach sunbaking and notices a light aircraft flying overhead. The aircraft is flying at a constant altitude of 1200m.\r
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document.write( "Melinda observes the plane directly overhead and then 20 seconds later she uses her mobile phone app clinometer and records the angle of elevation to the aircraft is 52°.\r
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document.write( "Calculate the distance travelled by the plane in 20 seconds. Write your answer to the nearest meter.
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Algebra.Com's Answer #524771 by mananth(16946) You can put this solution on YOUR website! Melinda is lying on the beach sunbaking and notices a light aircraft flying overhead. The aircraft is flying at a constant altitude of 1200m.\r \n" ); document.write( "\n" ); document.write( "height of plane , h =1200m\r \n" ); document.write( "\n" ); document.write( "Melinda observes the plane directly overhead and then \n" ); document.write( "20 seconds later the angle of elevation to the aircraft is 52°.\r \n" ); document.write( "\n" ); document.write( "Tan 52 = h/x \n" ); document.write( "x=1200/tan 52 degrees \n" ); document.write( "x= 938 meters \n" ); document.write( " \n" ); document.write( " |