GCSE Edexcel Other graphs - Edexcel The equation of the tangent to a circle - Higher The most commonly occurring graphs are quadratic, cubic, reciprocal, exponential and circle graphs.

There is a trick to measure the area of a circle. In fact, this was a trick people used in the past to find the area under a curve on a graph (before technology gave us better methods).

GCSE OCR Other graphs - OCR The equation of the tangent to a circle - Higher The most commonly occurring graphs are quadratic, cubic, reciprocal, exponential and circle graphs. Their equations can ...