Where is tangela in a trainer battle?

It sounds like you're asking about where Tangela appears in a Pokemon battle. However, the way you've phrased it is a bit confusing.

Here are some ways to interpret your question and possible answers:

1. "Where" as in "On the battlefield": Tangela, like any other Pokemon, appears in the center of the battlefield, ready to battle.

2. "Where" as in "What type of battle": Tangela can appear in any trainer battle, from gym battles to wild encounters to online battles.

3. "Where" as in "Where in the Pokemon world": Tangela is a Grass-type Pokemon that is commonly found in various regions of the Pokemon world, such as Kanto, Johto, and Sinnoh.

4. "Where" as in "Where is Tangela in this specific battle?": To answer this, you would need to provide me with more context about the specific battle you're asking about.

Could you please clarify your question so I can give you a more precise answer?