document.write( "Question 38581: An isosceles triangle has an area of 200 square units, and the altitude to the base measures 10 units. What is the perimeter of the triangle? \n" ); document.write( "
Algebra.Com's Answer #24100 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The isosceles triangle is actually TWO right triangles, where the base of the isosceles triangle is split in half. Therefore the base of the right triangle is 5 units, and the height is 40 units. Let c = the length of the hypotenuse of the right triangle, which is also one of the equal sides of the isosceles triangles.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Perimeter = sum of the THREE external sides, where \n" ); document.write( "Base = 10 units \n" ); document.write( "Each equal side = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Perimter = Base + 2 equal sides \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "R^2 at SCC \n" ); document.write( " |