If the length of the three sides of a triangle are 6 cm, 8 cm and 10 cm, then the length of the median to its greatest side is -

Answer: Option C

According to question,
Length of the three sides of a triangle are 6 cm, 8 cm and 10 cm, this is right angle triangle.

Note: In right angle triangle median divides the hypotenuse in two equal parts
∴ BD = $$\frac{\text{H}}{2}$$
BD = $$\frac{10}{2}$$
BD = 5 cm