Question

Is it possible to have triangle with sides 10.2cm,5.8cm,4.0cm

Answer 1

$10.2 + 5.8 > 4.0 \\ 16 > 4$

$10.2 + 4.0 > 5.8 \\ 14.2 > 5.8$

As the sum of any two sides of the given triangles is greater than the third side. Therefore, it is possible to have triangle with given sides..