Geometry

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Across
  1. 3. shape with the formula A=πr2
  2. 7. shape with 2 sets of parallel lines
  3. 10. like volume, but for 2D shapes
  4. 12. rise/run
  5. 15. geometry field focusing solely on triangles
  6. 17. V=(4/3)πr3
  7. 18. like area for 3D shapes
  8. 19. measurement of a circle cut in half
Down
  1. 1. Uses this formula: V=B×H
  2. 2. half a circle
  3. 4. objects with the same proportions
  4. 5. like a butterfly's wings
  5. 6. shape with triangular sides
  6. 8. measurement from the center to the circumference of a sphere
  7. 9. like a round pyramid
  8. 11. 4:2, for example
  9. 13. where two lines meet, a point
  10. 14. ____ thm, a^2+b^2=c^2
  11. 16. 3-sided polygon
  12. 20. divides a line segment into equal halves