While measuring the length of knitting needle, the reading of the scale at one and is 6.8 cm and at the other end is 66.0 cm. What is the length of the needle?
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Answer:
59.2 cm
Explanation:
Since the needle was placed in the middle, it's length is: reading 1 - reading 2
∵ 66.0 cm - 6.80 cm = 59.2 cm
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