Answer:
No
Step-by-step explanation:
Use the triangle inequality theorem to check if it is possible:
[tex]1.8+3.8=5.6>1.2\\1.2+3.8=5.0>1.8\\1.2+1.8=3.0>3.8[/tex]
The third inequality is false, thus concluding that it is not possible for a triangle to have lengths of 1.8, 3.8, and 1.2.
