Geometry Terms

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Across
  1. 3. two angles that sum to 180 degrees are called ___
  2. 5. a triangle with two equal sides, and two equal angles
  3. 7. meeting at 90 degrees
  4. 9. the distance around a circle
  5. 11. the distance across a circle, passing through the center
Down
  1. 1. the "corner" of a shape
  2. 2. two angles across an intersection from one another and are congruent
  3. 4. a line that cuts an angle or line into two equal parts
  4. 6. having the same measure
  5. 8. the distance from the center of the circle to the edge
  6. 10. a part of the circumference of a circle