document.write( "Question 1141751: A regular pentagon has a perimeter of 15 mm. What is the area of a triangle that shares a base which one side of the pentagon that had a hypotenuse of 5mm.
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\n" ); document.write( "B)6 sq.mm
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Algebra.Com's Answer #762386 by Edwin McCravy(20065) $\"\"$ $\"About$

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document.write( "Since the pentagon is a regular pentagon, all 5 of its sides are equal, so\r\n" );
document.write( "each side is the perimeter divided by 5, and 15 mm divided by 5 is 3 mm.\r\n" );
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document.write( "In a right triangle with a hypotenuse of 5mm and a leg of 3mm, the other\r\n" );
document.write( "leg is \r\n" );
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document.write( "Solve that for a.\r\n" );
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document.write( "Since the triangle is a right triangle, we may consider one leg as the base\r\n" );
document.write( "and the other leg as the height,\r\n" );
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document.write( "Substitute in that and solve for A\r\n" );
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document.write( "Edwin

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