A farmer dug a flower bed of radius 7m at the centre of a field. He needs to purchase fertilizer. If 1 kg of fertilizer is required for 1 square metre area, how much ferilizer should he purchase?
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Step-by-step explanation:
1 kg = 1 sq m
radius = 7 m
diameter =2x 7=14
the farmer should purchase 14 l fertilizer.
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