Thread is wound around a cotton reel 12,000 times. The reel has a radius of 1.7 cm. What is the total length of the thread?
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Answer:
128228.57cm
Step-by-step explanation:
The circumference of the cotton reel : 2πj
= 2 x 22/7 x 1.7cm
= 10.69cm
Amount of wound x Cotton reel circumference = Length of thread
12000 x 10.69cm
= 128228.57cm
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