document.write( "Question 974067: The diagram below, not drawn to scale, EFGH is a rectangle. The point D on HG is such that ED=DG= 12 cm and GDF=43° Calculate to one decimal place.\r
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document.write( "A) the length of GF
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document.write( "B) the legth of HD
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document.write( "C) the size of angle HDE
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document.write( "diagram can be found http://www.cimt.plymouth.ac.uk/mepjamaica/unit34/StudentText.pdf on pg 25
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Algebra.Com's Answer #596105 by Alan3354(69443) You can put this solution on YOUR website! A) the length of GF \n" ); document.write( "--- \n" ); document.write( "tan(43) = GF/12 \n" ); document.write( "GF = 12*tan(43) =~ 11.19 cm \n" ); document.write( "------------------------------ \n" ); document.write( "B) the legth of HD \n" ); document.write( "EH = FG \n" ); document.write( "EHD is a right triangle, use Pythagoras. \n" ); document.write( "---------- \n" ); document.write( "C) the size of angle HDE \n" ); document.write( "cos(HDE) = HD/12 \n" ); document.write( " \n" ); document.write( " |