Two sides of a triangle have lengths 10 and 18. Which inequalities describe the possible lengths for the third side x?

Question

Shyla Huynh

Mathematics

14 January, 18:46

Two sides of a triangle have lengths 10 and 18. Which inequalities describe the possible lengths for the third side x?

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Luciana Conley · Answer 1

Let with X is denoted the length of the third side.

For a triangle the following statements must be true:

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

This means that this inequality can be written: X<10+18, X<28