the length and breadth of a rectangular Park are in ratio 8:5 path 2m wide running all around outside the park has an area of 640 M² find the dimension of the park
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Let length of the park be 8k and breadth be 5k
Given, (5k + 4)(8k + 4) - 5k × 8k = 640
52k + 16 = 640; k = 12.
Thus,
length = 8 × 12 = 96 m; breadth = 5 × 12 = 60 m
Given, (5k + 4)(8k + 4) - 5k × 8k = 640
52k + 16 = 640; k = 12.
Thus,
length = 8 × 12 = 96 m; breadth = 5 × 12 = 60 m
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