Question

Q13 The lengths of two sides of a triangle are 12 cm and 15 cm. Between what two
measures should the length of the third side fall?​

Answer 1

Answer:

A triangle ABC has 3 sides and they have to satisfy the following. length of a side must be less the sum of the other two and more than the difference between the other two. Hence, the third side, has to be more than (15-12) = 3 cm.J

Answer 2

Answer:

A triangle  ABC has 3 sides and they have to satisfy the following.

 

     | a - b |  <  c < (a+b) 

 length of a side must be less the sum of the other two and more than the difference between the other two.

Hence,  the third side,  has to be more than  (15-12) = 3 cm.   Also it has to be less than (15+12) = 27 cm.     It is in between  3 cm and 27 cm.

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