document.write( "Question 1205240: From the top of an office building 72 ft high, the angle of elevation to the top of an apartment building across the street is 31°. From the base of the office building, the angle of elevation is 46°
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document.write( "• How tall is the apartment building? \n" );
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Algebra.Com's Answer #841898 by josgarithmetic(39630) ![]() You can put this solution on YOUR website! Draw the two right triangles according to the description. \n" ); document.write( "Label everything as described.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Should be lower right triangle vertical leg 72 feet, the two nonright angles 46 and 44 degrees. \n" ); document.write( "Upper right-triangle the nonright angles 31 degrees and 59 degrees. \n" ); document.write( "The two triangles share a horizontal leg.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If x is the length of the shared horizontal leg, then\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You don't need the x value. Substitute in order to find and evaluate y.\r \n" ); document.write( "\n" ); document.write( "Question asks for y+72. \n" ); document.write( " |