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 ▸Show that (x + 1)(x + 2)(x + 3) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.
Tony buys 12 apples and 7 pears for £10.90. An apple costs 20p less than a pear. What would be the cost of 4 apple and 9 pears?
x^2 + 6x + 8
how do i calcualte the length of an unknown side of a right angled triangle