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Triangles Class 10

CBSE

Similar triangles: the basic proportionality theorem and the criteria for similarity.

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Topic-wise short notes with solved examples.Open PDFDownload
Every formula and result of the chapter on one sheet.Open PDFDownload
Daily practice problems with an answer key.Open PDFDownload
QuestionsOpen PDFDownload
SolutionsOpen PDFDownload
Step-by-step solutions to the textbook exercises.Open PDFDownload

What this chapter covers

  • Similar figures
  • Similar triangles
  • Basic Proportionality Theorem (Thales theorem)
  • Criteria for similarity of triangles
  • Applications: heights and shadows
  • Writing a proof

The short notes explain each of these topics with solved examples, the formula bank lists every result on one sheet, and the DPP sheet gives practice questions with an answer key. Previous year board questions are arranged topic-wise with solutions.

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