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a gardener wants to fence a circular garden of diameter 21 metre find the length of the rope he needs to purchase if we make to round off and also find the cost of the rope if it cost rupees 4 per metre

Posted by Harshal Bisht 5 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Ayush Pawar 5 years, 10 months ago

Radius=21/2= 10.5m Circumference=2πr = 2×22/7×10.5 = 21×22/7 =462/7 =66m Cost of 1m rope = ₹4 Cost of 66m rope=4×66 =₹264

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CBSE > Class 07 > Mathematics