document.write( "Question 130102: A rectangle is 7 cm wide and 10 cm long. Find the length of a diagonal of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #95018 by oscargut(2103)\"\" \"About 
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A rectangle is 7 cm wide and 10 cm long. Find the length of a diagonal of the rectangle.\r
\n" ); document.write( "\n" ); document.write( "Using Pythagoras theorem a^2=b^2+c^2 where a is the diagonal of a right triangle so d^2=10^2+7^2=149 then d=sqrt(149)\r
\n" ); document.write( "\n" ); document.write( "R: d=sqrt(149)
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