Final answer:
The sentence uses a simile to compare the size of the play to the moon.
Explanation:
The poetic device used in the sentence 'The play was as big as the moon' is a simile. A simile is a figure of speech that directly compares two different things using the words 'like' or 'as'. In this case, the play is being compared to the moon using the word 'as' to show the magnitude or significance of the play.
Learn more about Poetic devices here:
https://brainly.com/question/30521434
