Semester 2 Geometry Vocabulary

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Across
  1. 3. a comparison of two numbers by division (Topic 8-2)
  2. 4. a ____ arc measures more than 180 degrees and is named using three points
  3. 6. the side of a triangle located across from the right angle
  4. 9. a shape in which all points are equidistant from the center (Topic 14-1)
  5. 12. the number of square units in the interior of a figure (Topic 10-1)
  6. 14. an arc that measures exactly 180 degrees (Topic 17-1)
  7. 15. a segment with one endpoint on the center and one endpoint on the circle (Topic 14-1)
  8. 17. a segment that goes through the center of a circle and has both endpoints on the circle (Topic 14-1)
  9. 20. to find the perimeter of a ____, multiply one side by 4 (Topic 10-1)
  10. 22. a measure of the space on the surface of a 3D object [two words] (Topic 15-4)
  11. 23. to find the area of a rectangle, multiple ____ by width (Topic 10-1)
  12. 24. the trig ratio representing opposite/hypotenuse (Topic 8-3)
  13. 25. the degree measure of the central angle is always ____ to the degree measure of its corresponding arc (Topic 17-1)
  14. 26. a ____ arc measures less than 180 degrees and is named with two endpoints (Topic 17-1)
  15. 29. a part of a circle (Topic 17-1)
  16. 30. two ratios that are equal (Topic 8-2)
  17. 32. ____ right triangles (like 45-45-90 and 30-60-90)
  18. 34. a slice of the circle bounded by 2 radii and an arc (Topic 17-4)
Down
  1. 1. the side of a triangle located across from the acute angle (Topic 8-3)
  2. 2. a cross section of a sphere, with the same radius and center [two words] (Topic 15-4)
  3. 5. the memory tool we use for remembering trig ratios [no dashes] (Topic 8-3)
  4. 7. the distance around a figure (Topic 10-1)
  5. 8. the trig ratio representing adjacent/hypotenuse (Topic 8-3)
  6. 10. an ____ point is located inside the circle (Topic 14-1)
  7. 11. a four-sided shape with opposite sides congruent and parallel (Topic 10-2)
  8. 13. the side of a triangle located next to an acute angle (Topic 8-3)
  9. 16. to find the area of a triangle, multiply 1/2 time ____ times height (Topic 10-3)
  10. 18. has its vertex at the center of a circle and separates the circle into two arcs [two words] (Topic 17-1)
  11. 19. an ____ point is located outside the circle (Topic 14-1)
  12. 21. a piece of the circumference of the circle [two words] (Topic 17-4)
  13. 27. the trig ratio representing opposite/adjacent (Topic 8-3)
  14. 28. a round, 3-dimensional solid (Topic 15-4)
  15. 30. a Greek letter representing the relationship between circumference and diameter (Topic 14-1)
  16. 31. the amount of space a 3D object takes up (Topic 15-4)
  17. 33. what calculator process is used to turn a decimal into a fraction [two 'words']
  18. 34. to find the area of ____ regions, do outside area minus inside area (Topic 14-2)