Worked Example
Reasoning practice 4
For Class 6 Mathematics, explain or solve a triangles question from the chapter "Basic Geometrical Ideas". Focus on reasoning practice and show the working clearly.
Step-by-step solution path
- Read the topic idea: Triangles.
- Recall the core explanation from the chapter: Point, line, ray, angles, triangles, quadrilaterals and circles — the language of geometry.
- Use the related formula "Sum of angles in triangle" as the main tool while solving.
- Write the reasoning in simple school-level language before the final answer.
Final learning answer
This example is centred on Triangles. A strong solution should identify the correct data, apply Sum of angles in triangle, and explain each transition instead of jumping directly to the answer.
Related formula
Sum of angles in triangle
∠A + ∠B + ∠C = 180°