Mathematics
Diameter
In Class 9 Mathematics, the topic Diameter introduces the line segment joining two points on a circle and passing through its centre. Students learn that the diameter is the longest chord of a circle and that its length is twice the radius, while the radius is half the diameter. They use these relationships to find unknown lengths, interpret circle diagrams, and solve geometry problems involving centres, chords, and measurements.
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Practice questions are not available for this topic yet. We plan to add questions with clear explanations soon. You can keep practising other topics in the meantime.
- Class / subject
- 9 · Mathematics
- Chapter
- Circles
- Topic
- Diameter
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