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