document.write( "Question 1183402: A student stands 29 m away from the foot of a tree and observes that the angle of elevation of the top of the tree, measured from a table 1.5m above the ground, is 38°28'. Calculate the height of the tree to the nearest meter \n" ); document.write( "
Algebra.Com's Answer #813714 by ikleyn(52817)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "A student stands 29 m away from the foot of a tree and observes that the angle of elevation of the top of the tree, \n" ); document.write( "measured from a \n" ); document.write( "~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " First, I edited the text to make it harmonious.\r \n" ); document.write( "\n" ); document.write( " Overwise, an unnecessary questions may arise about the table . . . (which is, actually, irrelevant to the problem).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Second, I re-calculated everything and found out that the answer by @mananth is INCORRECT due to incorrect rounding.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " I present the corrected calculations below.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "tan 38 deg 28' = x/29\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "x = tan 38deg 28' * 29 = \r\n" ); document.write( "\r\n" ); document.write( " = 0.794485554 * 29 = \r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "x= 23.04008 m\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "height of the tree = 23.04008 + 1.5 = 24.504008 m = 25 m (rounded as requested). ANSWER\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved (correctly).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |