Triangle Vocabulary Crossword

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Across
  1. 2. A ________ triangle has 1 obtuse angle
  2. 5. A ________ triangle has 0 congruent sides
  3. 7. The side of a triangle which is perpendicular to the altitude
  4. 9. A ________ triangle has 3 congruent sides
  5. 11. A corner or a point where lines meet
  6. 12. A ________ triangle has one 90 degree angle
Down
  1. 1. A ________ triangle has 3 acute angles
  2. 3. A ________ angle is between any side of a shape, and a line extended from the next side
  3. 4. A ________ triangle has 2 congruent sides
  4. 6. A line which passes through a vertex of a triangle, and meets the opposite side at right angles
  5. 8. A plane figure with at least three straight sides and angles, and typically five or more.
  6. 10. A ________ angle is inside a shape