Geometry. Introduction

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Across
  1. 2. Triangle: A triangle with one angle greater than 90 degrees.
  2. 3. Angle: An angle that measures less than 90 degrees.
  3. 5. A part of a line that has one endpoint and extends infinitely in one direction.
  4. 6. Lines or planes that are always the same distance apart and never intersect.
  5. 8. Segment: A part of a line between two endpoints.
  6. 9. The point where two or more lines or geometric figures meet or cross.
Down
  1. 1. A tool used for measuring angles.
  2. 4. A polygon with three sides and three angles.
  3. 6. Lines or segments that intersect to form right angles.
  4. 7. Angle: An angle that measures exactly 90 degrees.