How do I remember the area of a circle if it's not in the formula book?
I tend to use rhymes to remember difficult maths formulas - it makes life so much easier! For example, "I never knew how much I cared that the area of a circle is πr²".
MP
Related Maths GCSE answers
All answers ▸You put £800 in a bank account, which earns you 3.5% compound interest per year. How much interest would you have earned after seven years?
How do I solve a quadratic equation by completing the square?
Amber has an unfair coin. The probability of throwing a tail is p. Amber throws the coin twice and the probability of throwing a head and then a tail is 6/25. Heads are more likely than tails. Show that 25p^2-25p+6=0 and find the value of p.
A bag contains 8 oranges, 9 pears and 13 apples. What is the probability a pear is picked?