Question 70
What will be the cost of fencing a circular garden of radius 35 m at the rate of ₹16 per meter?(Take $$\pi = \frac{22}{7}$$)
Solution
Circumference of the circular garden =$$2\pi r$$
Area=2*(22/7)*35
=220 sq mt
Cost for each each mt=Rs 16
Cost for whole garden=220*16
=Rs 3520
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