Answer: I think the length is 9 units
Explanation:
Answer:
AC = 9
Set the negative value into absolute as length cannot be negative.
⇒ AC = AB + BC
⇒ AC = |-5| + 4
Formula: |-a| = a
⇒ AC = 5 + 4
⇒ AC = 9
3.5m questions
4.5m answers