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Find the total cost of wooden fencing around a circular garden of diameter 28 m, if 1 m of fencing costs ₹ 300. - Mathematics

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Question

Find the total cost of wooden fencing around a circular garden of diameter 28 m, if 1 m of fencing costs ₹ 300.

Sum

Solution

Given, diameter of a circular garden = 28 m

Length of the fencing = Circumference of circle

= πd

= `22/7` × 28

= 88 m

∴ Total cost of fencing = 88 × 300 = ₹ 26400.

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Chapter 9: Perimeter and Area - Exercise [Page 290]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 9 Perimeter and Area
Exercise | Q 107. | Page 290

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