document.write( "Question 388780: an isosceles triangle, whose legs are each 13, is inscribed in a circle. if the altitude to the base of the triangle is 5, find the radius of the circle. \n" ); document.write( "
Algebra.Com's Answer #275198 by scott8148(6628)\"\" \"About 
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the altitude is on a diameter of the circle\r
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\n" ); document.write( "\n" ); document.write( "5:13::13:d\r
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\n" ); document.write( "\n" ); document.write( "5d = 169 ___ 10r = 169 ___ r = 16.9
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