Tamil Nadu Board of Secondary EducationSSLC (English Medium) (5 to 8) Class 7

A Rose garden is in the form of circle of radius 63 m. The gardener wants to fence it at the rate of ₹ 150 per metre. Find the cost of fencing? - Mathematics

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Sum

A Rose garden is in the form of circle of radius 63 m. The gardener wants to fence it at the rate of ₹ 150 per metre. Find the cost of fencing?

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Solution

Radius of the garden r = 63 m

Circumference of the garden = 2πr units

= `2 xx 22/7 xx 63  "m"`

= 2 × 22 × 9

= 396 m

Cost of fencing 1 meter = ₹ 150

Cost of fencing 396 meter = ₹ 150 × 396 = ₹ 59,400

∴ Cost of fencing the garden = ₹ 59,400

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Chapter 2: Measurements - Exercise 2.1 [Page 28]

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Tamil Nadu Board Samacheer Kalvi Class 7th Mathematics Term 2 Answers Guide
Chapter 2 Measurements
Exercise 2.1 | Q 8 | Page 28

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