Area of parallelograms, trapeziums, circles and sectors, including working backwards

Nothing whizzy, but a worksheet that might be useful for consolidation/revision and might save you a bit of time creating your own.

Questions include:
- finding area of parallelograms and trapeziums
- finding a length given area of parallelograms, trapeziums, triangles
- finding area and circumference of circles
- finding radius/diameter given area/circumference
- finding area of sectors and arc lengths
- finding angle/radius given area of sector/arc length.

Answers included.