Square metres, hectares and acres

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• 9 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Areas of triangles and quadrilaterals
2. Regular polygons and composite shapes
3. Perpendicular height, not the slant
4. Triangle area from two sides and the included angle
5. Heron's formula: three sides, no height
6. Area of a parallelogram from sides and an angle
7. Rhombus: base times height, or half the diagonals
8. Area of a kite
9. Trapezium: finding a missing length
10. A regular polygon as n isosceles triangles
11. Frames, paths and holes: subtract to add
12. Irregular polygons by triangulation
13. Square metres, hectares and acres
14. Paint, tiles, fertiliser and land cost