# NCERT Class 7 Mathematics Solutions: Chapter 6 – the Triangle and Its Properties Exercise 6.4 Part 3 (For CBSE, ICSE, IAS, NET, NRA 2022)

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The sum of lengths of any two sides in a triangle should be greater than the length of third side.

Consider ,

… eq (i)

In ,

… eq (ii)

In

… eq (iii)

In

… eq (iv)

Adding eq. (i) , (ii) , (iii) , (iv)

Yes, the given expression is true.

2. The lengths of two sides of a triangle are . Between what two measures should the length of the third side fall?