Question

Which side lengths cannot form a triangle?

A. 4cm, 12cm, 6cm

B. 5cm, 8cm, 12cm

C. 12cm, 19cm, 8cm

D. 14cm, 7cm, 9cm

Answer 1

The answer choice is A

Answer 2

answer is option A

A, 4+12>6✓

12+6>4✓

4+6>12×

because sum of two sides lengths ina a triangle should greater than the other side's length