Vocabulary Geometry

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Across
  1. 4. – line dividing an image into two congruent parts that are mirror images of each other
  2. 5. – an angle that measures less than 90°
  3. 7. – all side lengths of a triangle are congruent in measure
  4. 9. – a triangle that has one obtuse angle (greater than 90°) and two acute angles
  5. 10. – a triangle in which each of the three angles is acute (less than 90°
Down
  1. 1. – two rays with a common endpoint (the vertex)
  2. 2. – lines that meet or cross at a point
  3. 3. – lines that lie in the same plane, never intersect, and are always the same distance apart
  4. 6. – of equal measure, having exactly the same size and same shape
  5. 8. – a set of points that form a straight path that goes in opposite directions without ending
  6. 9. – an angle that measures greater than 90° but less than 180°