Final answer:
Roald Dahl's choice of using the leg of lamb as the murder weapon in 'Lamb to the Slaughter' holds symbolic significance and represents the theme of appearance versus reality.
Step-by-step explanation:
Roald Dahl's choice of using the leg of lamb as the murder weapon in the short story 'Lamb to the Slaughter' holds symbolic significance. The leg of lamb represents the deceptive and unexpected nature of the crime. Mary, the main character, uses a seemingly harmless and innocent object, the leg of lamb, to commit a violent and shocking act. This choice highlights the theme of appearance versus reality, as Mary appears as a meek and submissive housewife, but is capable of committing a heinous crime.