Across
- 1. a 3-d object with two circular bases
- 3. ______ parts of congruent triangles are congruent
- 4. if a triangle has one ____ angle, then it is a _____ triangle
- 6. the study of right triangles' sides and angles
- 7. a 3-d object made of triangles that meet at an apex and a base
- 12. a six-sided polygon
- 13. an angle measuring between 90 and 180 degrees
- 14. this property states each object is congruent to itself
- 15. one-dimensional unit of length
- 16. cuts directly in half
- 20. the ratio of a right triangle's adjacent side to its hypotenuse
- 21. a ______ features all congruent angles and all congruent sides
- 23. the ______ angle of an isosceles triangle is between the two congruent legs
- 24. a figure made of line segments
- 25. the side opposite a triangle's right angle
- 26. the distance from the center of a regular polygon to the middle of a polygon's side
Down
- 2. the ______ angles of a triangle sum to 180 degrees
- 5. when corresponding sides are proportional and corresponding angles are congruent, two triangles are ____
- 7. a 3-d object made of rectangles with two bases
- 8. an angle of _____ is below the horizontal
- 9. an angle outside of a figure is an ____ angle
- 10. the distance from the center to the outside edge of a circle
- 11. a 3-d object with a circular base and an apex
- 17. the amount of space it takes to cover an object
- 18. the distance from one edge to another through the center of a circle
- 19. the angle of reference, a Greek letter
- 20. a shape made of points that are the same distance from a center
- 22. a 3-d object made of circles