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The area of a rectangle = base x height.
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Glossary

union

The union of two sets A and B is the set containing all the elements of A and B.

Full Glossary List

This question appears in the following syllabi:

SyllabusModuleSectionTopic
AQA GCSE (9-1) Foundation (UK)G: Mensuration and CalculationG16: Areas and Volumes of Basic ShapesTriangles and Rectangles
CBSE IX (India)MensurationAreasTriangles - Heron's formula
CBSE X (India)Coordinate GeometryLinesArea of a triangle
CIE IGCSE (9-1) Maths (0626 UK)4 MensurationC4.2 Perimeters and Areas of 2D ShapesTriangles and Rectangles
Edexcel GCSE (9-1) Foundation (UK)G: Mensuration and CalculationG16: Areas and Volumes of Basic ShapesTriangles and Rectangles
GCSE Foundation (UK)GeometryPerimeter area volumeTriangles and rectangles
OCR GCSE (9-1) Foundation (UK)10: Mensuration10.03a: Area of a TriangleTriangles and Rectangles
Universal (all site questions)PPerimeter area volumeTriangles and rectangles