Zamborra

12345678910
Across
  1. 1. shape with a right angle
  2. 8. has three acute angles
  3. 9. triangle with two equal sides
Down
  1. 2. form the right angle by placing them consecutively
  2. 3. all three sides are unequal
  3. 4. have the vertex and a side in common
  4. 5. vertex and side in common
  5. 6. shape with 3 sides
  6. 7. a shape with three equal sides
  7. 10. has an angle greater than 90 degrees