Angles and triangles

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Across
  1. 4. A triangle where all three sides are the same length.
  2. 7. An angle that is exactly 90°.
  3. 8. An angle larger than 90° but smaller than 180°.
  4. 10. A triangle where all three sides are different lengths.
  5. 11. An angle larger than 180° but smaller than 360°.
Down
  1. 1. A shape with three sides and three angles.
  2. 2. A shape with four equal sides and four right angles.
  3. 3. A point where two lines meet to form an angle.
  4. 5. An angle smaller than 90°.
  5. 6. A triangle with two sides of the same length.
  6. 9. The space between two lines that meet at a point.