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Question
The radius of a circular pipe is 10 cm. What length of a tape is required to wrap once around the pipe? (π = 3.14)
The radius of a circular pipe is 10 cm. What length of a tape is required to wrap once around the pipe? (π = 3.14)
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Solution
The correct option is C 62.8 cm
Radius (r) of the pipe = 10 cm
The tape is to be wrapped once around the circular pipe, so we need to find the circumference of the pipe.
Circumference = 2πr
So, the length of tape required
= 2 × 3.14 × 10 = 62.8 cm
Radius (r) of the pipe = 10 cm
The tape is to be wrapped once around the circular pipe, so we need to find the circumference of the pipe.
Circumference = 2πr
So, the length of tape required
= 2 × 3.14 × 10 = 62.8 cm
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