Question: four pencils are held together with a band?
Answer: SOLUTION: four pencils are held together in a square by an elastic band if the pencils are of diameter 7mm what is the length of the band in this position. mm) : The length of the band = 4*7 + 4*(1/4)*(2*3.14*3.5) mm = 4*7 + 2*3.14*3.5 mm = 49.98 mm.