SOLUTION: Show that the area of a square is half the product of its diagonals. Then consider the possibility that there might be other quadrilaterals with the same property.

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Question 1154771: Show that the area of a square is half the product of its diagonals. Then consider the possibility that there might be other quadrilaterals with the same property.
Found 2 solutions by mananth, ikleyn:
Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!
Area of square with side x = x^2
Diagonal of square =
Half product of diagonals =
=x^2
Proved

Answer by ikleyn(52780)   (Show Source): You can put this solution on YOUR website!
.

Any rhombus has the same property.


Any kite has the same property.


Any quadrilateral with the perpendicular diagonals (even if it is NEITHER a kite NOR a rhombus) has the same property.


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