Across
- 3. In a right angled triangle, the hypotenuse is always ____________the right angle.
- 5. What is a triangle called if all its sides have different lengths?
- 7. If you add up the length of all 3 sides you get this.
- 10. If all a triangle's angles are the same, how many lines of symmetry does it have?
- 11. Whose theorem do you use to calculate the length of sides in a right angled triangle?
- 13. What means an angle bigger than 90 degrees?
- 14. If you multiply half the length of the base by the height of a triangle, what do you get?
- 16. If exactly two of the angles of a triangle are the same, it is_______
Down
- 1. A right angled triangle's shortest sides are 3 cm and 4 cm long. How many cm long is the longest side?
- 2. The word for an angle smaller than 90 degrees.
- 4. This is the Latin for "equal sides"
- 6. Angles in a triangle add up to one hundred and ___________
- 8. You use this to measure angles
- 9. angles are measured in _______________
- 12. How many lines of symmetry does an isosceles triangle have?
- 15. Angles in a triangle add up to one hundred and ___________
- 17. How many degrees does every angle of an equilateral triangle have?