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

Find the circumference of the circles whose radii are given below. 49 cm - Mathematics

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Sum

Find the circumference of the circles whose radii are given below.

49 cm

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Solution

Radius r = 49 cm

Circumference C = 2πr units 

= `2 xx 22/7 xx 49`

= 2 × 22 × 7

= 44 × 7

= 308 cm

  Is there an error in this question or solution?
Chapter 2: Measurements - Exercise 2.1 [Page 27]

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Tamil Nadu Board Samacheer Kalvi Class 7th Mathematics Term 2 Answers Guide
Chapter 2 Measurements
Exercise 2.1 | Q 3. (i) | Page 27

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