Triangles

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Across
  1. 2. Two triangles that have the same shape and size
  2. 3. A point where two sides of a triangle meet
  3. 7. A triangle with two equal sides
  4. 9. Shortest distance from a vertex to the line containing the opposite side
  5. 10. A geometric tool that creates two congruent angles
  6. 12. Internal angle bisectors of the triangle cross
  7. 13. The measures formed between two sides of a triangle, typically in degrees
  8. 15. Often used to find the “Center of Mass” of a triangle.
  9. 17. Line that links the middle points of two sides of a triangle, Always parallel to the third side
  10. 18. A triangle with one angle equal to 90 degrees
  11. 20. Three perpendiculars from the vertices to the opposite sides meet.
Down
  1. 1. Line that cuts another line into the equal parts at a right angle
  2. 4. The measure of one of the three vertex’s on a triangle
  3. 5. Equidistant from all three vertices of a triangle.
  4. 6. A triangle with all sides of different lengths
  5. 8. A triangle in which all three sides are equal.
  6. 11. The bottom edge of a triangle often used in calculating area.
  7. 14. The two shorter sides of a right triangle
  8. 16. Point that divides each median of a triangle into two segments..
  9. 19. Polygon with three sides