document.write( "Question 198042: how would I find the area of a square with a diagonal of 10 square root of 2? \n" ); document.write( "
Algebra.Com's Answer #148556 by edjones(8007) You can put this solution on YOUR website! The diagonal is the hypotenuse of an equilateral right triangle \n" ); document.write( "Let a be one of the sides. \n" ); document.write( "2a^2=c^2 \n" ); document.write( "2a^2=(10sqrt(2))^2 \n" ); document.write( "2a^2=200 \n" ); document.write( "a^2=100 \n" ); document.write( "a=10 \n" ); document.write( ". \n" ); document.write( "Area of the square=a^2=100 sq units \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |