Flowerbed 2

Around the square flower bed in a park is sidewalk 2 m wide. The area of ​​this sidewalk is 243 m2. What is the area of the flowerbed?

Correct result:

S =  805.1 m2

Solution:

S+243=S2 a2+243=(a+2⋅2)2 a2+243=a2+2a⋅4+42 243−16=8a a=(243−16)/8=28.38 m  S=a2=28.382=805.1 m2

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