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The circumference of a circle exceeds diameter by 16.8 cm. Find the circumference of
circle.
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Let radius of circle = r cms
Diameter(d) = 2 × ЁЭСЯЁЭСОЁЭССЁЭСЦЁЭСвЁЭСа = 2ЁЭСЯ
Circumference (c) = 2ЁЭЬЛr
Given circumference exceeds diameter by 16.8cm
C = d + 16.8
⇒ 2ЁЭЬЛr = 2r + 16.8
⇒ 2r(ЁЭЬЛ – 1)= 16.8
⇒ 2r ×`(22/7− 1)`= 16.8
⇒ 2r ×`15/7`= 16.8
⇒ r =`(16.8×7)/30 = 5.6 × 0.7`
⇒ r = 3.92 cms
Circumference = 2ЁЭЬЛr`= 2 × 22/7 × 3.92`
`= 2464/100 = 24.64` ЁЭСРЁЭСЪЁЭСа
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