Lesson eLearning

A rectangle has length 12 cm and breadth 5 cm. Find its perimeter.

medium 2 marks Class 3 · Mathematics · Fun with Numbers
Answer
34 cm

The correct answer is 34 cm — The perimeter is 34 cm.

Step-by-step solution

  1. Use the formula for perimeter of a rectangle: .
  2. Substitute the given values: .
  3. Add inside the brackets: .
  4. Multiply by 2: .
  5. The perimeter is 34 cm.
Common mistake: Adding all four sides separately instead of using

Concept tested: Perimeter of a rectangle

Published · How this solution was prepared and checked

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