ths lenghts of two sides of triangle are 20mm and 13mm. Which of the following lengths can not represent the length of the third side ?
a) 30cm
b) 34cm
c) 56cm
d) 23cm
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In any triangle, the sum of the lengths of two sides must be greater than the length of the third side. We are given two sides, the sum of their lengths is
20 + 13 = 33 mm
Therefore the third side cannot be equal to
35 mm , 10 cm = 100 mm and 45 mm.
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