Class 10 Maths: Triangles (Similarity) Formulas (PDF) — All Important Formulas Free
Free class 10 maths: triangles (similarity) formulas — all 4 key formulas on one page, downloadable as PDF for fast revision before CBSE board exams. No signup.
TL;DR: Free class 10 maths: triangles (similarity) formulas — all 4 key formulas on one page, downloadable as PDF for fast revision before CBSE board exams.…
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All Triangles (Similarity) formulas for Class 10 Maths (CBSE / NCERT) on one page — fast revision for board exams. 100% free, no login, download as PDF.
Triangles (Similarity) — Key Formulas
| Formula | Expression |
|---|---|
| Similarity criteria | AA (or AAA) · SSS · SAS — any one proves two triangles are similar |
| Basic Proportionality Theorem | A line parallel to one side divides the other two sides in the same ratio (Thales). |
| Ratio of areas | Areas of two similar triangles are in the ratio of the SQUARES of corresponding sides. |
| Pythagoras theorem | In a right triangle: hypotenuse² = base² + perpendicular² |
FAQs
What are the most important Triangles (Similarity) formulas for Class 10?
This sheet lists all 4 key Triangles (Similarity) formulas from the Class 10 Maths CBSE/NCERT syllabus, ready for quick revision.
Is this Triangles (Similarity) formula sheet free to download?
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