Formula deep page
Area of Trapezium
A = ½ × (a + b) × h
This formula belongs to the chapter "Mensuration" in Class 8 Mathematics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
a=8cm, b=12cm, h=5cm: A=½×20×5=50 cm²
Rule note: a,b are parallel sides; h is perpendicular height