Across
- 5. Lines: Two lines in a plane that never intersect.
- 6. The vertical axis of a coordinate plane.
- 7. a parallelogram with all 4 congruent sides and 4 right angles
- 8. the distance around a circle
- 12. a parallelogram with 4 right angles and 2 sets of congruent sides
- 13. the distance across a circle, passing through its center
- 15. The horizontal axis of a coordinate plane.
Down
- 1. The side opposite the right angle in a right triangle.
- 2. a three-sided polygon is always 180 degrees
- 3. Triangle: A triangle that has one obtuse angle.
- 4. a four-sided polygon
- 9. Triangle: A triangle that has a right angle.
- 10. the third of a number
- 11. the measure of the space a two-dimensional shape covers,
- 14. the distance from the center of a circle to any point on its edge