Question

Which three lengths cannot be the lengths of the sides of a triangle?

Answer 1

D. 21m, 6m, 10m

hope this helps

Answer 2

Answer: D (21 m, 6 m, 10m)

Explanation:

The sum of 2 sides of a triangle should always be greater then the third side of the triangle.

On answer D:

21 and 6 makes 27 and 27 > 10

10 and 21 makes 31 and 31 > 6

but 6 and 10 makes 16 and 16 < 21