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Question Number 75376 by TawaTawa last updated on 10/Dec/19

Commented by TawaTawa last updated on 10/Dec/19

$$\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}$$

Answered by 21042004 last updated on 13/Dec/19

$$Circumferenceofapencilis$$$$2\pi r=2\pi 7=14\pi$$$$1/4ofthecircumferenceis$$$$\frac{14\pi }{4}=\frac{7\pi }{2}$$$$Lengthofthebandis$$$$\frac{7\pi }{2}\cdot 4+7\cdot 4=28+14\pi \approx 71.982$$

Commented by TawaTawa last updated on 14/Dec/19

$$\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}$$

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