Some Circle Formulae

## Find an area by first finding a sector area (Q17 P2 2018)

## Calculate length of major arc (Q2 P2 2018)

## Calculate reflex angle for major arc (Q14 P2 2017)

## Calculate area of sector (Q3 P1 2016)

## Circle formulae / Sector perimeter (2015)

## Area of sector / Area of triangle (2014)

## Area of sector / Circle formulae (Specimen)

## Interactive Quizzes

- Circumference and diameter (from transum.org)
- Circumference and radius (from transum.org)
- Area from radius and diameter (from transum.org)
- Radius and diameter from area (from transum.org)
- Arc length and sector area (from transum.org)
- Context & combined shape problems (from transum.org)
- Arcs and sectors (from bbc.co.uk)