Worked Example
Revision challenge 9
For Class 8 Mathematics, explain or solve a area of trapezium question from the chapter "Mensuration". Focus on revision challenge and show the working clearly.
Step-by-step solution path
- Read the topic idea: Area of Trapezium.
- Recall the core explanation from the chapter: Surface area and volume of cuboids, cubes, cylinders — with real applications.
- Use the related formula "Cylinder CSA" 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 Area of Trapezium. A strong solution should identify the correct data, apply Cylinder CSA, and explain each transition instead of jumping directly to the answer.
Related formula
Cylinder CSA
CSA = 2πrh