Example 1 · level 1
A rectangular badminton court area is 5 m long and 2 m wide. Find its area in square m (m²).
Show solution
- 5 × 2 = 10 m².
Answer: 10
CLASS 4 MATHS · MEASUREMENT
Area and perimeter of rectangles
Area = length × breadth (square units). Perimeter = 2 × (length + breadth).
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Worked examples
Example 2 · level 2
A rectangular chessboard sticker has area 77 square cm (cm²) and length 11 cm. What is its breadth?
Show solution
- Breadth = 77 ÷ 11 = 7 cm.
Answer: 7 cm
Example 3 · level 3
A rectangular notebook label is 7 cm long and 6 cm wide. Find its perimeter in cm.
Show solution
- 2 × (7 + 6) = 2 × 13 = 26 cm.
Answer: 26 cm