A rectangular cloth has a length of 15 cm and a breadth of 9 cm. What is its area in square centimetres?
Answer
135
The correct answer is 135 — Hence the area is 135 cm.
Step-by-step solution
- Let the length be cm and the breadth be cm.
- The area of a rectangle is given by because the rectangle has two perpendicular sides.
- Substitute the given values: .
- Compute the product: .
- 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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