Geometry Crossword

4. Closed figure made up of line segments in a two-dimensional plane
7. A fundamental, self-evident statement or assumption that is accepted as true without proof.
9. Points that all lie on the same straight line
11. A point where two or more lines or edges meet
12. The statement that follows logically from a proven or assumed premise, usually within a conditional statement
14. closed path that encompasses, surrounds, or outlines either a two dimensional shape of one-dimensional length
15. A geometric transformation that maps points in the plane to other points, with the key property of preserving angles between intersecting curves

1. Middle point of a line segment
2. A figure which is formed by two rays or lines that shares a common endpoint
3. A measure of regions in three-dimensional space
5. A proposed explanation or statement that can be tested through observation and experimentation
6. Lying on the same plane
8. Have the same shape and size
10. An educated guess or a statement believed to be true, but not yet proven
13. Gives the opposite of the truth value