Across
- 4. All angles in a square are ______ angles.
- 8. In a parallelogram, consecutive angles are _______.
- 10. Two lines that intersect at right angles are ______.
- 11. Two parts that are equal in length and size are ______.
- 13. The diagonals in a rectangle ______ each other.
- 14. All of the four sides of a ______ are equal and its diagonals bisects each of its four angles.
- 15. Each of its four interior angles is equal to 90° but its two diagonals do not intersect at right angles.
- 16. The line that separates a parallelogram into two congruent triangles.
Down
- 1. An angle that has a measure between 0° and 90° is called an ______ angle.
- 2. Opposite angles of a parallelogram are ______ and congruent.
- 3. A quadrilateral that has two pairs of parallel lines is a ______.
- 5. An angle that has a measure between 90° and 180° is called an ______ angle.
- 6. Two angles that add up to 180° are called a ______ pair.
- 7. A polygon with four sides and four angles.
- 8. All of the four sides and angles of a ______ are equal.
- 9. When the measure of an angle is between 180° and 360°, it is a ______ angle.
- 12. A line that has one endpoint and extends infinitely in one direction.