AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
The word 'trigonometry' is derived from three Greek words:
Thus, trigonometry literally means the measurement of a figure having three sides, i.e., a triangle.
Source: Introduction to Trigonometry, Chapter 8
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The examiner expects all three Greek words named and their meanings stated clearly — one mark each. The source passages do not explicitly list the three words, but this is standard NCERT Chapter 8 introductory content that the textbook includes before the printed extract. Write the three words distinctly (not merged into one sentence) so the examiner can award each mark separately. Do not write a lengthy paragraph — three labelled points are cleaner and safer.