Lesson eLearning

A rectangular cloth has a length of 15 cm and a breadth of 9 cm. What is its area in square centimetres?

easy 1 mark Class 5 · Mathematics · Boxes and Sketches
Answer
135

The correct answer is 135 — Hence the area is 135 cm.

Step-by-step solution

  1. Let the length be  cm and the breadth be  cm.
  2. The area of a rectangle is given by because the rectangle has two perpendicular sides.
  3. Substitute the given values: .
  4. Compute the product: .
  5. Hence the area is 135 cm.
Common mistake: Multiplying breadth by half the length or forgetting to multiply both sides

Concept tested: Area of rectangle

Published · How this solution was prepared and checked

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