Across
- 4. a point where two rays meet to form an angle
- 5. the outer edge measurement of a circle
- 6. an angle that measures 180 degrees
- 7. angles that share a side
- 11. a segment that passes through the middle of a circle to reach the other side
- 12. a line segment that runs from the edge of a circle to its center
- 13. the formula for the perimeter of a ___________ is 2l + 2w
- 14. an angle measuring more than 90
- 16. the formula for the area of a _________ is pi x radius x radius
- 17. lines that never intersect
- 20. the formula for the area of a ____________ is 1/2 base x height
Down
- 1. two angles that add up to 90 degrees
- 2. angles that are across from one another
- 3. lines that intersect and form right angles
- 8. equal or the same
- 9. the formula for the area of a ____________ is (base 1 + base 2)divided by two x height
- 10. two angles that add up to 180 degrees
- 15. an angle measuring less than 90 degrees
- 18. an angle that measures exactly 90 degrees
- 19. the Greek letter representing 3.14
- 21. the measurement of the space inside a 2D figure