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Chapter 6 of 16
Concept Maps

Triangles — Concept Maps

Madhya Pradesh Board · Class 10 · Mathematics

4 concept maps of Triangles for Madhya Pradesh Board Class 10 Mathematics, each also written out as a text outline.

115 questions48 flashcards9 formulas & key relations5 concepts

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A comparison illustrating the difference between congruent figures (same shape and size) and similar figures (same shape, different size), using examples like circles, squares, and triangles.
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4 Concept Maps

Decision Tree: Which Similarity Criterion to Use?

Decision Tree: Which Similarity Criterion to Use?

The map in words

  • Two Triangles Given
    • B
      • 3 angles known: C
        • Yes - 2 angles equal: F
          • N
        • Yes - 3 angles equal: G
        • No: H
      • Sides known: D
        • Yes - all 3 equal: I
        • Only 2 equal: J
        • No: Not similar
      • Mixed info: E
        • Yes - INCLUDED angle: L
        • Angle NOT included: M
  • is
  • corresponding
  • angles
  • ratios
  • AND
  • it
  • Triangles
  • by
  • or
  • Check
  • with

Chapter 6 Triangles - Key Concepts Overview

Chapter 6 Triangles - Key Concepts Overview

The map in words

  • Triangles
    • Similar Figures
      • Same shape
      • Not same size
      • All circles similar
      • All squares similar
    • BPT Thales Theorem
      • DE parallel BC
      • AD over DB equals AE over EC
      • Converse also true
    • Similarity Criteria
      • AA Criterion
        • Two angles equal
      • AAA Criterion
        • Three angles equal
      • SSS Criterion
        • All sides proportional
      • SAS Criterion
        • Two sides proportional
        • Included angle equal
    • Area Theorem
      • Ratio of areas
      • Square of side ratio
    • Key Notation
      • Tilde for similar
      • Congruent vs Similar

Chapter 6 Triangles — Complete Concept Map

Chapter 6 Triangles — Complete Concept Map

The map in words

  • Triangles Ch 6
    • Similar Figures
      • Same shape different size
      • All circles similar
      • All squares similar
      • All equilateral triangles similar
      • Congruent implies Similar
      • Similar does NOT imply Congruent
    • Polygon Similarity
      • Condition 1 Equal Angles
      • Condition 2 Proportional Sides
      • Both conditions needed for polygons
      • One condition enough for triangles
    • BPT Thales Theorem
      • DE parallel BC
      • AD over DB equals AE over EC
      • Proof uses Area Method
      • Converse also true
    • Similarity Criteria
      • AAA Three angles equal
      • AA Two angles equal
      • SSS Sides proportional
      • SAS Sides proportional and included angle equal
      • RHS Right triangles only
    • Applications
      • Indirect Measurement
      • Heights of Mountains
      • Distance of Moon
      • Scale Factor in Maps

Triangles and Similarity

Triangles and Similarity

The map in words

  • Triangles and Similarity
    • Similar Figures
    • Similarity of Polygons
    • Similarity of Triangles
    • Basic Proportionality Theorem
    • Converse of BPT
    • Triangle Similarity Criteria
    • AAA / AA Criterion
    • SSS Criterion

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Frequently Asked Questions

What are the important topics in Triangles for Madhya Pradesh Board Class 10 Mathematics?
Key topics in Triangles include Two figures having the same shape, Congruent figures have the same shape, The same ratio of corresponding sides, If a line is drawn parallel. Study these first, then practise questions on each for the Madhya Pradesh Board Class 10 board exam.
What do the concept maps for Triangles show?
The 4 maps show how the ideas in Triangles connect: Decision Tree: Which Similarity Criterion to Use?; Chapter 6 Triangles - Key Concepts Overview. Each map is also written out as an outline on this page.
How should I revise Triangles for the Madhya Pradesh Board Class 10 board exam?
Learn the core ideas first, then work through the 115 practice questions on Triangles. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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