Guess That Triangle

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Across
  1. 1. Triangle whose all angles measure more than 90°
  2. 4. Triangle whose one angle measures exactly 90°
  3. 7. Triangle whose all three sides are equal
  4. 8. Triangle whose all angles measure less than 90°
  5. 10. A polygon with three edges and three vertices
Down
  1. 2. Triangle whose all angles are equal
  2. 3. Triangle whose two sides are equal
  3. 5. Triangle whose all sides are different
  4. 6. A point where two or more curves, lines, or edges meet
  5. 9. A type of line segment joining two vertices in a polygon