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help solve this.

 Jun 29, 2022
 #1
avatar+124676 
+1

The length of the band   =

 

Circumference of a circle with a radius of  5 mm   

 2pi(5) mm =

10pi   mm

 

Plus

 

8 x the radius of a pencil  (5 mm)

 

8 x 5 =  40 mm 

 

Total length of  band =   

 

[10 pi  + 40 ]  mm 

 

 

cool cool cool

 Jun 29, 2022

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