Across
- 2. Ten sided shape.
- 5. In a rectangle, diagonals are _____.
- 7. _____ angles are side by side.
- 9. Perimeter of a circle.
- 10. A many sided shape with straight edges.
- 11. An angle that is 360° is known as a revolution, or _____.
- 14. How many lines of symmetry does an equilateral triangle have?
- 15. In an _____ triangle, all ides are equal.
- 16. Co-interior angles are _____
- 21. An _____ triangle has one axis of symmetry.
- 23. A _____ is where two or more edges meet.
- 24. _____ angles are between 180° and 360°.
Down
- 1. A five sided shape.
- 3. Angle sum of a _____ is 180°.
- 4. A _____ polygon has all sides equal in length and angles equal in size.
- 6. A line that starts at a point but continues with no end.
- 8. A straight line that cuts through two or more parallel lines.
- 9. Angles that add up to 90°.
- 12. A rectangle has equal _____ that bisect each other.
- 13. A shape with two unequal parallel sides.
- 17. An _____ angle of a triangle is formed when one side is extended.
- 18. Opposite sides of a _____ are parallel, and opposite angles are equal.
- 19. A line that divides an angle in half.
- 20. A shape with two pairs of equal adjacent angles.
- 22. An acute-angles triangle has all angles _____ than 90°.
- 25. True or false: a rectangle is a rhombus.