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Software/Applets used on this page

jsMath
This page uses jsMath
You can get a better display of the maths by downloading special TeX fonts from jsMath. In the meantime, we will do the best we can with the fonts you have, but it may not be pretty and some equations may not be rendered correctly.

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:

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