What exactly is pi?
Pi is the ratio between a the circumference and the diameter of a circle. It's just a number which happens to describe this ratio for any circle you can think of. Let me explain, using the whiteboard...
HB
Related Maths GCSE answers
All answers ▸On a graph, the lines with the equations y=x^2+5x+4 and y=-3x-8 meet at two distinct points. Find the coordinates of these meeting points.
Rearrange the following making a the subject: (a+2)/5 = 3a+b
How do you solve the following simultaneous equations? Equation 1: 2x + 3y = 13 Equation 2: 3x - y = 3
How do you work out the length of one of the sides of a right-angled triangle given the other two?