Geometry Extra Credit

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Across
  1. 2. the perimeter of a circle
  2. 3. a line segment from a circle's center to its perimeter
  3. 5. two lines that meet at a right angle
  4. 10. the theorem that states a^2 + b^2 = c^2
  5. 13. an angle formed by two chords that share a common end point on a circle
  6. 15. angles that add up to 180°
  7. 16. any line segment that passes through the center of a circle and whose endpoints lie on the circle
  8. 17. two lines on the same plane that never intersect
  9. 18. an angle whose measure is greater than 90 degrees and less than 180 degrees
  10. 20. any four sided figure
  11. 22. when two ratios are equal
  12. 23. a line that touches a circle at just one point
  13. 24. a parallelogram with four equal sides
Down
  1. 1. the distance around a 2D shape
  2. 3. a mnemonic for finding the slope of a line
  3. 4. the longest side of a right triangle
  4. 6. a triangle where no sides are equal
  5. 7. a mnemonic for sin, cos, and tan ratios
  6. 8. an arc of a circle that measures 180°
  7. 9. a line that divides something into two equal parts
  8. 11. a line segment that connects the midpoints of two sides of a triangle or a trapezoid
  9. 12. angles that add up to 90°
  10. 14. an angle whose measure is less than 90 degrees
  11. 19. the ratio of a side on one figure to the corresponding side on another figure
  12. 21. a line segment whose endpoints are points on a circle