document.write( "Question 461218: James is building a ramp for his elderly grandmother. If he builds it 3 feet above the ground and if it has a 4 foot base, how long will the ramp be?\r
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document.write( "A. 3 feet
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document.write( "B. 5 feet
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document.write( "C. 8 feet
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document.write( "D. 10 feet \n" );
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Algebra.Com's Answer #316351 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! James is building a ramp for his elderly grandmother. If he builds it 3 feet above the ground and if it has a 4 foot base, how long will the ramp be? \n" ); document.write( "A. 3 feet \n" ); document.write( "B. 5 feet \n" ); document.write( "C. 8 feet \n" ); document.write( "D. 10 feet \n" ); document.write( ". \n" ); document.write( "It's a 3-4-5 triangle -- so it would be B. \n" ); document.write( "Or, you can apply Pythagorean theorem: \n" ); document.write( "Let r = ramp \n" ); document.write( "then \n" ); document.write( "r^2 = 3^2 + 4^2 \n" ); document.write( "r^2 = 9 + 16 \n" ); document.write( "r^2 = 25 \n" ); document.write( "r = 5 feet\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |