Which combination of three side lengths will NOT form a triangle? 15 cm, 8 cm, 6 cm

9 mm, 6 mm, 5 mm

12 in, 9 in, 6 in

4 ft., 5 ft., 3 ft.

The first set.

Step-by-step explanation:

15 cm, 8 cm and 6 cm, because 15 > 6 + 8.

15 cm, 8 cm, 6 cm

Step-by-step explanation:

This is because the third length will always have to be less than the first and second added together. When you take 8 plus 6 the answer is 14 but 15 is larger than 14 so you cannot make a triangle out of that.

equal to

step-by-step explanation:

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents