document.write( "Question 580080: If sailcloth costs $10 per square foot, what is the cost of a new mainsail? \r
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document.write( "Before solving this problem let's review the
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document.write( "Pythagorean Theorem. This theorem relates
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document.write( "the lengths of the three sides of a right triangle.
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document.write( " A right triangle has a 90º angle. The side opposite
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document.write( " the 90º angle is called the hypotenuse and the
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document.write( " other sides are called legs.
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document.write( " The Pythagorean theorem states that for every right triangle,
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document.write( " the sum of the squares of the legs is equal to the square of the hypotenuse. \r
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document.write( " a2 + b2 = c2\r
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document.write( " Now solve the problem:\r
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document.write( " The mainsail on the sailboat shown below is a right triangle in which the
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document.write( " hypotenuse is called the leech. If sailcloth costs $10 per square foot,
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document.write( " what is the cost of a new mainsail?\r
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document.write( " Hint: To find the cost of the sail, you need to know the area of the sail. You must
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document.write( " first find the base (x) of the mainsail using the Pythagorean Theorem. Once
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document.write( " you have found the value of x then find the area of the sail by using the
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document.write( " formula for the area of a triangle: 1/2 base times height; A= ½bh . \r
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document.write( "Leech IS 13 ft
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document.write( "12 ft
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document.write( "tHIS IS A HUGE PART OF MY GRADE!! I NEED HELP.. i DO NOT EVEN KNOW HOW TO WRITE IT OUT. \n" );
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Algebra.Com's Answer #371136 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! If the hypotenuse is 13 and one side is 12, the 3rd side is 5 feet. \n" ); document.write( "-------- \n" ); document.write( "Area = b*h/2 = 5*12/2 = 30 sq ft \n" ); document.write( "------ \n" ); document.write( "$10*30 = $300 \n" ); document.write( "=================== \n" ); document.write( "We don't need the reviews. \n" ); document.write( " \n" ); document.write( " |