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Define area of a plane closed figure. The length and breadth of a room are 6 meter and 5 meter respectively. How many square meters of carpet costs rupees 240 per square meter how much will it cost to cover the entire room |
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Answer» Answer: DEFINE AREA of a plane closed figure. The length and BREADTH of a room are 6 meter and 5 meter respectively. How many square meters of carpet costs rupees 240 per square meter how much will it cost to cover the entire room Step-by-step EXPLANATION: Length of the room = 13 m Breadth of the room = 9 m Area of the room = l × b = 13 × 9 = 117 sq m Let the length of the carpet required = 'l' m Width of the carpet = 75 cm = 0.75 m Area of the carpet = Area of the room ⇒ l × 0.75 = 117 ⇒ l = 117 / 0.75 ⇒ l = 156 m Length of the carpet required = 156 m Cost of the carpet per metre = Rs 105 Total cost of the carpet = 156 × 105 = Rs 16380. |
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