Question

Is it possible to have a triangle with the following side lengths ?

17cm,7cm,8cm

Answer 1

find the sum of any two sides

$$\begin{gathered} 17+7=24>8 \\ 7+8=15<7 \\ 17+8=25>7 \end{gathered}$$

Here we can see that 15 is not greater than 7.

Hence, these side lengths can not be possible for a triangle.