Final answer:
The sentence 'Around the rugged rock the ragged rascal ran' uses the figure of speech known as alliteration, which is characterised by the repetition of the same initial sound in a series of words.
Step-by-step explanation:
In the given sentence, 'Around the rugged rock the ragged rascal ran,' the figure of speech used is alliteration. Alliteration is a literary device that repeats the same initial sound in a series of words for rhythmic effect. Here 'rugged,' 'rock,' 'ragged,' 'rascal,' and 'ran,' all start with the 'r' sound, making this an example of alliteration.
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