Question

A rectangular garden is 70 m long and 55 m
broad. A path 3 m wide is to be built around
it. Find the area of the path and cost of
gravelling it at a rate of 17 per m2.​

Answer 1

Answer:

Hope it helps you

Step-by-step explanation:

The area of the path is 786  m².

The cost of gravelling the path is Rs 13362.

Explanation:

The length of the garden = 70 m

The breadth of the garden = 55 m

∴ The area of the garden =(Length × Breadth)

                                        = (70×55) m²

                                         = 3850 m²

The length of the garden with the path_

(70+3+3) m [∵ Since the path is around the garden so the dimension will increase from all the sides.]

= 76 m

The breadth of the garden with the path_

(55+3+3) m [∵ Since the path is around the garden so the dimension will increase from all the sides.]

= 61 m

∴ The area of the garden with the path = (Length×Breadth)

                                                                 = (76×61) m²

                                                                = 4636 m².

∴ The area of the path is = (Area of the garden with the path - Area of the garden)

= (4636-3850) m²

= 786 m²

∴ The area of the path is 786 m².

The cost of gravelling 1 m² is Rs 17.

∴ The cost of gravelling 786 m² is _

Rs(17×786)

= Rs 13362

∴ The cost of gravelling the path is Rs 13362.

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Answer 2

Answer:

${3 < { { = 3 {.}^{2} }^{2} }^{2} }^{2}$