Formula deep page
Perimeter of Rectangle
P = 2 × (l + b)
This formula belongs to the chapter "Fields and Fences" in Class 4 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
Rectangle 8m × 5m: P = 2×(8+5) = 2×13 = 26m
Rule note: l=length, b=breadth