Which number could not be a value of x?
A 8
B. 9
C. 12
12
D. 21
![Which number could not be a value of x A 8 B 9 C 12 12 D 21 class=](https://us-static.z-dn.net/files/d09/1250499560ce599b7e2aa2bcc47a2814.png)
Answer:
D) 21
Step-by-step explanation:
the sum of the two shorter sides must be greater than the longer side of a triangle