the lengths of two sides of a triangle are 7 centi meter and 9 centi meter between which measures should the length of the third side fall.
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A property of a triangle states that:
The sum of two sides of a triangle> the third side and
The difference between two sides < the third side.
So
Difference between two sides <the measure of the third side < the sum of two sides.
Thus the third aide should measure between 9-7 and 9+7 i.e. 2 & 16
The sum of two sides of a triangle> the third side and
The difference between two sides < the third side.
So
Difference between two sides <the measure of the third side < the sum of two sides.
Thus the third aide should measure between 9-7 and 9+7 i.e. 2 & 16
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