- A10
- B4
- C8
- D9
Step-by-Step Solution
The third side must be more than 4 and less than 14: 5, 6, 7, ..., 13. That is 13 − 5 + 1 = 9 lengths.
Answer: D) 9
Two sides of a triangle are 5 cm and 9 cm. How many whole-number lengths are possible for the third side?
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