Respuesta :

Answer:

A

Step-by-step explanation:

because for the sides to make a triangle the sum of the two shorter sides must be greater than the longest

Answer:

A, 5, 7, and 9

Step-by-step explanation:

There is a rule that states that the two shorter sides of a triangle have to be greater than the largest side.

A is correct because 5 + 7 > 9

B is incorrect because 5 + 3 = 8

C is incorrect because 1 + 3 = 4

D is incorrect because 4 + 4 < 9

I hope this helps.