Raj's answer to Aizziq Mazlan's Secondary 2 Maths question.

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Raj
Raj's answer
16 answers (Tutor Details)
1st
The length of chain wrapped around each wheel is either slightly more or less than half the perimeter based on the radius being larger or smaller .. if both the wheels are of same radius then the length of chain around the wheels will be same and equal to half the perimeter.