Geometry Regents Review

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Across
  1. 4. The only transformation that is NOT a rigid motion
  2. 6. The intersection of the 3 perpendicular bisectors of a triangle
  3. 7. To find the equation of the ___ ___ of a segment, you would use these 4 steps: 1) Slope 2) Opposite Reciprocal Slope 3) Midpoint 4) Point Slope Equation
  4. 9. An object's mass divided by its volume
  5. 10. The intersection of the 3 altitudes of a triangle
  6. 12. To prove that two line segments are congruent in the coordinate plane, you would use the _____ formula.
  7. 16. A line in a triangle that connects two midpoints.
  8. 22. A triangle with no congruent sides
  9. 23. The center of dilation, preimage, and image are always ________.
  10. 24. A line that intersects a circle at two points
  11. 26. A line that intersects a circle at exactly one point
  12. 27. To prove that two line segments are parallel in the coordinate plane, you would use the _____ formula.
  13. 29. The intersection of the 3 medians of a triangle
  14. 30. Any quadrilateral with one pair of opposite sides parallel and congruent.
  15. 32. The space a 3-dimensional object takes up
Down
  1. 1. An angle in a circle formed by two chords whose vertex is on the edge of the circle. It's angle measure is 1/2 the measure of the intercepted arc.
  2. 2. The 3-dimentional shape formed when a right triangle is continuously rotated around one of its legs
  3. 3. When a prism is cut perpendicular to its base, the cross section is always a _________.
  4. 5. A line in a triangle that goes from a vertex to the midpoint of the opposite side.
  5. 8. A transformation that preserves distance and angle measure.
  6. 11. The abbreviation for the 3 trig functions
  7. 13. A line in a triangle that goes from a vertex and is perpendicular to the opposite side.
  8. 14. A tangent and a radius always meet to form a _____ angle in a circle.
  9. 15. If the corresponding angles of two triangles are congruent, then the triangles must be ________.
  10. 17. The quadrilateral with diagonals that are congruent and perpendicular
  11. 18. sin(A)=cos(B)when A+B=____.
  12. 19. When two parallel line are cut by a transversal line, congruent ______ interior angles are formed.
  13. 20. The intersection of the 3 altitudes of a triangle
  14. 21. The formula used to find the length between 2 points
  15. 23. The 3-dimentional shape formed when a rectangle is continuously rotated around one of its sides
  16. 25. A triangle with 2 congruent sides
  17. 28. The polygon with a minimum rotation of 40° around its center to carry it onto itself.
  18. 31. Any quadrilateral with 4 congruent sides.