Formula deep page
Perimeter of Rectangle
P = 2(l + b)
This formula belongs to the chapter "Area and its Boundary" in Class 5 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
l=12cm, b=7cm: P=2×(12+7)=2×19=38 cm