The lengths of three line segments are 4 cm, 5 cm, and 9 cm. using the information how many triangles can be constructed

No triangles can be constructed because

a+b>c

4+5 is not greater than 9

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.