A Tale of Three Intersecting Lines
CBSE · Class 7 · Mathematics
All formulas from A Tale of Three Intersecting Lines in CBSE Class 7 Mathematics. Key equations, constants, and identities for board exam preparation.
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Formulas
Triangle Inequality
Triangle Inequality: each length of a triangle's three sides is smaller than the sum of the other two lengths
sum of the two smaller lengths > longest length
sum of the two smaller lengths = longest length
sum of the the two smaller lengths < longest length
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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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