Posted by alandra on Friday, May 18, 2012 at 9:21pm.
Area of a triangle = ( 1 / 2 ) base * heigh
In this case base = heigh = a / 2
A = ( 1 / 2 ) * ( a / 2 ) * ( a / 2 )
A = a ^ 2 / 8
Area of a square = a ^ 2
( a ^ 2 / 8 ) / a ^ 2 = 1 / 8
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