Geometry exam

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Across
  1. 4. a type of triangle with a right angle.
  2. 6. area the outside part or uppermost layer of something
  3. 7. circumference divided by two pie
  4. 10. a figure with no sides or corners
  5. 13. V=1/3hπr²
  6. 14. an infinitely long object with no width, depth, or curvature.
  7. 15. 2/3 πr3
  8. 16. two times the radius
  9. 17. a measure of the steepness of a line.
  10. 18. a measure of three-dimensional space
  11. 19. a polygon figure with three sides and three angles
Down
  1. 1. the square of the length of the hypotenuse of a right triangle equals the sum of the squares of the lengths of the other two sides.
  2. 2. line moving in the same direction but always the same distance apart.
  3. 3. two lines that meet or intersect each other at right angles
  4. 5. a type of triangle where all the sides are equal
  5. 6. V=4/3πr3
  6. 8. when a shape can become the other after a resize, flip, slide or turn.
  7. 9. is a point located on a segment that bisects it.
  8. 11. a one-dimensional locus of points that forms half of a circle.
  9. 12. ph+2B