Across
- 2. a part of a line. has two endpoints
- 3. type of triangle with two equal sides.
- 6. shape with five sides. sum of interior angles is 540.
- 10. sum of the area of all faces of a shape. three dimensional shape.
- 12. when lines don't intersect. in the same plane
- 13. two intersecting lines. forms right angles.
- 16. a portion of a circle. part of the circumference.
- 18. the widest part of a circle. double the radius
- 19. Number of cubic units in a shape. three dimensional shape.
Down
- 1. the length of the curve of a circle. 2πr
- 4. shape with a vertex and circular base. r²πh x 1/3.
- 5. number of square units in a shape. two dimensional shape.
- 7. type of triangle with all equal sides. all equal angles.
- 8. nonadjacent angles from intersecting lines. same value.
- 9. a closed shape with straight lines. at least 3 sides
- 11. type of triangle with a right angle. two sides are perpendicular
- 12. the edge of a shape. a closed boundary.
- 14. the distance from the center of the circle. half the diameter
- 15. type of triangle with three equal sides. all angles are different.
- 17. line segment between two points on a curve. on a circle