GCSE AQA Circles, sectors and arcs - AQA Area of a circle Circles are 2D shapes with one side and no corners. The circumference is always the same distance from the centre - the radius.

Finding the area of a circle is easy with pizza and infinity. One of the oldest calculus problems, finding the area of a circle, can be visualized using a pizza. By dividing it up into ever ...

Area = π × 8 2 Remember to use BODMAS . The radius must be squared first before multiplying by π. The exact value for the area is = 64 π. Rounded to 1 decimal place, the area is 201.1 cm 2.

One of the oldest calculus problems, finding the area of a circle, can be visualized using a pizza. By dividing it up into ever smaller slices and laying them out next to one another, eventually ...