Posted by eddie on Thursday, January 27, 2011 at 9:25pm.
The diagonals bisect each other, so each segment is 4 units
If they form a 60° angle, then it must be an equilateral triangle and the width of the rectangle is 4 units
let the base be b
b^2 + 4^2 = 8^2
b^2 = 64-16 = 48
b = √48 = 4√3
rectangle is 4√3 by 4
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