Final answer:
A polite letter to end a relationship while maintaining a respectful tone should have c) 3 paragraphs.
Step-by-step explanation:
To write a polite letter to end a relationship while maintaining a respectful tone, it is recommended to have c) 3 paragraphs in the letter. The first paragraph should introduce yourself and state the purpose of the letter concisely.
The second paragraph can provide more details and reasoning for ending the relationship, while the third paragraph should serve as a conclusion, restating the purpose and expressing gratitude. By dividing the letter into three paragraphs, you can logically organize your thoughts and maintain a respectful tone throughout the letter.