**1. In trigonometry the three most familiar functions are ‘sine’, ‘cosine’ and what?**

*Tangent*

**2. What is the Roman numeral for 2013?**

*MMXIII*

**3. What term describes half of the diameter of a circle?**

*Radius*

**4. Which type of triangle has two sides of the same length and one of different length?**

*Isosceles*

**5. What is 5 cubed?**

*125*

**6. If two of the interior angles of a triangle are 43 and 57, what is the third?**

*80 degrees*

**7. If 7 x + 5 =40, what is the value of x?**

*5*

**8. If you buy two items with an original price of £10 each but with 20% off each one and another item with an original price of £20 but with 30% off, how much do you spend in total?**

*£30*

**9. Which distance is greater; 7 miles or 13 kilometres?**

*13 kilometres *

**10. 6 – 3 X 2 + 2 = **

*2 (Multiplication must always be done before addition and subtraction)*

its really helpful and useful for me