Write each sentence in the " If ................ Then " form.
Any two parallel lines are coplanar.

Answer

To rewrite the sentence "Any two parallel lines are coplanar" in the "If... Then..." form, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Condition and Conclusion**:
- The statement consists of two parts:
- Condition: "Any two parallel lines"
- Conclusion: "are coplanar"

2. **Rephrase in "If... Then..." Form**:
- We can express the relationship by stating the condition first, followed by the conclusion.
- Thus, we can write:
- "If two lines are parallel, then they are coplanar."

### Final Answer:
**If two lines are parallel, then they are coplanar.**

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