Across
- 4. A triangle with two equal sides
- 7. A triangle with three angles less than 90 degrees
- 9. A plane shape with three sides and three angles
- 10. A triangle with three equal sides
Down
- 1. A triangle with an angle of more than 90 degrees
- 2. A triangle has three lines known as
- 3. The point where two sides of a triangle meet
- 5. A triangle with a right angle
- 6. A triangle with no equal side
- 8. Its three ___ sum up to 180 degrees