document.write( "Question 1082649: Two isoscales triangles ABC and DBC are situated o opposite side of BC. Prove that AD bisects BC perpendicularly. \n" ); document.write( "
Algebra.Com's Answer #696711 by ikleyn(52858)\"\" \"About 
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\n" ); document.write( "The two triangles make a rhombis, and the diagonals of a rhombis are perpendicular.\r
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\n" ); document.write( "On properties of rhombis , see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Diagonals of a rhombus are perpendicular\r
\n" ); document.write( "\n" ); document.write( "    - Diagonals of a rhombus bisect its angles\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook on Geometry\r
\n" ); document.write( "\n" ); document.write( "    GEOMETRY - YOUR ONLINE TEXTBOOK \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part if this textbook under the topic \"Properties of rhombis\".\r
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