document.write( "Question 1073004: How tall is a bridge if a 6-foot tall person standing 100 feet away can see the top of the bridge at an angle of 30 degrees to the horizon? \r
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document.write( "thank you. \n" );
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Algebra.Com's Answer #687865 by Alan3354(69443) You can put this solution on YOUR website! b = bridge height above the person's eye level \n" ); document.write( "tan(30) = b/100 \n" ); document.write( "b = 100*tan(30) \n" ); document.write( "Add the distance from the person's eyes to the ground.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |