Cross-section 4343

Premium quality olive oil is sold in a glass bottle with a square cross-section packed in a special cylinder tube. The square's perimeter that forms the bottle's cross-section is 28 cm. What is the radius of this tube?

Correct answer:

r =  4.9497 cm

Step-by-step explanation:

o=28 a=o/4=28/4=7 D=2 a=2 7=7 29.8995 r=D/2=9.8995/2=4.9497 cm

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