there is a circular lawn of radius 28 m . a path of u m width is laid around the lawn what will be the area of the path
Answers
There is a circular lawn of radius 28 m. A path of 7 m width is laid around the lawn. The area of the path will be 1386 m²
Step-by-step explanation:
[ The path is 7 m wide. ]
The radius of the circular lawn is 28 m
Then the area of the lawn is
= π * 28² m²
= 784π m²
The radius of the lawn along with the path is (28 + 7) m = 35 m
Then its area is
= π * 35² m²
= 1225π m²
Therefore the area of the path is
= area of the lawn along with the path - area of the lawn
= (1225π - 784π) m²
= 441π m²
= 441 * 22/7 m²
= 1386 m²
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