Sagot :
Answer:
2. Plane P has three points C, D and E.
Answer: Plane Postulate
3. Points B and C are in plane P, so BC is in plane P.
Answer: Flat Plane Postulate
4. BE has points B and E.
Answer: Points Existence Postulate
5. The intersection of AD and BC is point B.
Answer: Line Intersection Postulate
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