A farmer dug a flower bed of radius 7m at the centre of a field. He needs to purchase fertilizer. If 1kg of fertilizer is required 1square meter area. How much fertilizer should he purchase?

Dear Student,
Here is the solution of your asked query:
Radius of flower bed = 7mSo area of flower bed = πr2=227×7×7=154 m2Amount of fertilizer required per m2=1kgSo total amount of fertilizer required = 154×1=154kg

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154 kg is required
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area  of flower bed= pi r2​ 
                               =22 * 7*7 ​
                               = 154                                                                                      ​

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