What is the participle in sentence The trainer armed with a whip entered cage.?

The participle in the sentence "The trainer armed with a whip entered the cage" is "armed".

Here's why:

* Participles are verb forms that act as adjectives, describing nouns or pronouns.

* "Armed" is a past participle of the verb "to arm".

* It modifies the noun "trainer" by describing their state (being equipped with a whip).

The phrase "armed with a whip" acts as an adjective phrase describing the trainer.