Which choice shows three lengths that cannot be the lengths of the three sides of a triangle

For triangles Sum of any Two sides should be always more than the length of the Third side.

A) 2cm, 8cm, 8cm

8+8=16 >2 True

8+2=10 >8, True

8+2=10 >8, True

B) 2cm, 3cm, 6cm

2+3=5 > 6 False. It is impossible in a triangle.

3+6=9 > 2 True

2+6=8 >3 True

The answer is B.