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- Subject
- Areasmathematics-mcqs › areas
- Published
- 15 Jul 2019
- Last updated
- 28 May 2026
Explanation
The total area of the four walls is calculated by multiplying the perimeter of the floor by the height of the walls. Given a perimeter of 18 m and height of 3 m, the area is 18 × 3 = 54 square meters.
More Areas MCQs
Practice related questions from the same subject.
- 1.A room is being floored at a rate of Rs. 8.50 per square meter, and the total flooring cost amounts to Rs. 510. If the room's length measures 8 meters, what is its width?
- 2.If the length of a rectangle is increased by 10% and its width is reduced by 10%, what is the percentage change in the area of the new rectangle?
- 3.A chessboard consists of 64 small squares with a total area of 400 cm². If there is a border 3 cm wide surrounding the entire board, what is the length of one side of the chessboard including the border?
- 4.A rectangular field measures 38 meters in length and 32 meters in width. A uniform path runs along the inside perimeter of the field, covering an area of 600 square meters. What is the width of this path?
- 5.What length of carpet, 63 cm wide, is needed to cover the floor of a room measuring 14 meters by 9 meters?
- 6.A rectangle has a length of 8 cm and its diagonal measures 10 cm. What is the perimeter of this rectangle?
- 7.A rectangular courtyard measures 3.78 meters in length and 5.25 meters in width. It is to be completely covered with square tiles of identical size without cutting any tile. What is the smallest number of tiles needed to cover the courtyard exactly?
- 8.A room measures 12.25 meters in length and 7 meters in width. What is the largest possible side length of a square tile (in centimeters) that can exactly cover the floor without cutting any tiles?
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