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Mathematics
Geometry and measures
Mensuration and calculation
Circle Calculations
Circle Calculations
What You Need to Know
Know and use formulae for circumference (
2
π
r
=
π
d
2\pi r = \pi d
2
π
r
=
π
d
) and area (
π
r
2
\pi r^2
π
r
2
) of a circle.
Calculate perimeters and areas of circles and composite shapes.
Calculate surface area and volume of spheres, pyramids, cones, and composite solids.
Revision Notes
1
Circle Calculations
17 key terms
Practise with Past Papers
Key Terms & Definitions
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Area and Volume Formulae
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Sectors and Arcs
