Which set of side lengths forms a unique triangle? 1. 109 cm, 214 cm, 414 cm

2. 5 cm, 5 cm, 10 cm

3. 8 cm, 15 cm, 26 cm

4. 11 cm, 14 cm, 17 cm

theres no picture: /

step-by-step explanation:

the answer is d

for problems like this theres an app, its photomath that explains the problem and gives the answer hope i

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !