Across
- 1. All of the four sides and angles of a ______ are equal
- 4. Two angles that add up to 180° are called a ______ pair
- 6. A line that has one endpoint and extends infinitely in one direction
- 7. In a rectangle, opposite angles are _______
- 9. All angles in a rectangle are ______ angles
- 10. The diagonals in a rectangle ______ each other
- 12. A polygon with four sides and four angles
Down
- 2. When the measure of an angle is between 180° and 360°, it is an ______ angle
- 3. Two parts that are equal in length and size are ______
- 5. Two lines that intersect at right angles are ______
- 8. All of the four sides of a ______ are equal and its diagonals bisects each of its four angles
- 11. The line that separates a parallelogram into two congruent triangles