Answer:
1. A flat surface that extends infinitely and has no depth; it has length and width - Plane
2. Two lines that intersect at 90° angles - Perpendicular Lines
3. Two lines that lie within the same plane and never intersect - Parallel lines
4. A set of all points in a plane that are a given distance from a point - Circle
5. A figure consisting of two rays with a common endpoint - Angles
Explanation: