Orienting Yourself : The Use of Coordinates — Formula Sheet
CBSE · Class 9 · Mathematics
6 formulas from Orienting Yourself : The Use of Coordinates (CBSE Class 9 Mathematics) on one page, grouped by topic.
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Formulas and Key Relations
4. Distance Between Two Points
AD = √(4² + 3²) = 5 units
DM = √(2² + 5²) = √29 units
MA = √(6² + 2²) = √40 units
√((x2 − x1)² + (y2 − y1)²)
D'M' = √((-2)² + 5²) = √29 units
Distance between two points in the plane
For A = (3,4) and D = (7,1), the x-distance is 7 - 3 = 4 and the y-distance is 4 - 1 = 3.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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