document.write( "Question 1195556: In the figure, a person standing at point A notices that the angle of elevation to the top of the antenna is 47° 30'. A second person standing 38.0 feet farther from the antenna than the person at A finds the angle of elevation to the top of the antenna to be 44° 10'. How far is the person at A from the base of the antenna? (Round your answer to the nearest whole number.)
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document.write( "https://www.webassign.net/mcktrig6/2-4-023.gif -picture of figure
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Algebra.Com's Answer #828085 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! In the figure, a person standing at point A notices that the angle of elevation to the top of the antenna is 47° 30'. \n" ); document.write( " A second person standing 38.0 feet farther from the antenna than the person at A finds the angle of elevation to the top of the antenna to be 44° 10'. \n" ); document.write( " How far is the person at A from the base of the antenna? (Round your answer to the nearest whole number.) \n" ); document.write( ": \n" ); document.write( "Change 47 degrees 30 min to 47.5 degrees (divide the min by 60) \n" ); document.write( "Change 44 degrees 10 min to 44.17 degrees \n" ); document.write( ": \n" ); document.write( "Write a tangent equation for each right triangle \n" ); document.write( "tan(47.5) = \n" ); document.write( "h = tan(47.5)x \n" ); document.write( "and \n" ); document.write( "tan(44.17) = \n" ); document.write( "h = tan(44.17)(x+3) \n" ); document.write( ": \n" ); document.write( "h=h, therefore we can find x \n" ); document.write( "tan(47.5)x = tan(44.17)(x+38) \n" ); document.write( "tan(47.5)x = tan(44.17)x + 36.9 \n" ); document.write( "tan(47.5)x - tan(44.17)x = 36.9 \n" ); document.write( ".12x = 36.9 \n" ); document.write( "x = 36.9/.12 \n" ); document.write( "x = 307.5 ~ 308 ft, A is from the base of the tower \n" ); document.write( " \n" ); document.write( " |