Pythagoras' theorem

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Across
  1. 2. A ..... triangle is a triangle in which one angle is a 90-degree angle.
  2. 4. A ..... triangle is when none of the sides of a triangle are equal.
  3. 6. The side of a right triangle that is opposite the right angle.
  4. 8. The sides of a right triangle that are adjacent to the right angle.
  5. 11. A ..... triangle is when all three sides have the same length.
  6. 12. A straight line joining two opposite corners of a square, rectangle, or other straight-sided shape.
Down
  1. 1. A polygon having three sides
  2. 3. A formula, proposition, or statement in mathematics deduced or to be deduced from other formulas or propositions.
  3. 5. A ..... triangle is when two sides of a triangle are equal.
  4. 7. A ..... triangle is when one of the angles of a triangle measures greater than 90°.
  5. 9. A closed plane figure bounded by straight lines
  6. 10. A ..... triangle is when all the angles of a triangle measure less than 90.