Across
- 1. A mathematical statement that says to expressions have the same value, any number sentence with and "=" sign
- 7. The number of square units needed to cover a region or figure
- 10. A theorem that relates the three sides of a triangle
- 12. A mathematical statement that uses numbers and symbols, doesn't have an equal sign
Down
- 2. A polygon with four sides
- 3. A straight line that connects two vertices to each other
- 4. Figures that have same size and same shape are ______
- 5. The line joining two points on a circle and passing through the center of the circle
- 6. The common end point of two rays
- 8. A part of a line that has one end point and goes on forever in one direction
- 9. A flat surface that goes on and on in all directions
- 10. Lines that intersect and form right angles are _________ lines
- 11. The side opposite the right angle in a right triangle
- 13. A subset of a line which contains two end points