Worked Example
Mistake correction 6
For Class 8 Mathematics, explain or solve a surface area of cube and cuboid question from the chapter "Mensuration". Focus on mistake correction and show the working clearly.
Step-by-step solution path
- Read the topic idea: Surface Area of Cube and Cuboid.
- Recall the core explanation from the chapter: Surface area and volume of cuboids, cubes, cylinders — with real applications.
- Use the related formula "Area of Trapezium" 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 Surface Area of Cube and Cuboid. A strong solution should identify the correct data, apply Area of Trapezium, and explain each transition instead of jumping directly to the answer.
Related formula
Area of Trapezium
A = ½ × (a + b) × h