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State whether the following statement is true or false.
Pragya wrapped a cord around a circular pipe of radius 4 cm and cut off the length required of the cord. Then she wrapped it around a square box of side 4 cm. She has cord left with her.

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True

False

answer is A.

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Detailed Solution

Perimeter of circle =

2 π r

= 2 × π × 4 c m = 2 × 3.14 × 4 c m = 25.12 cm

Now, perimeter of square = 4

×

= 4 × 4 c m = 16 cm

The perimeter of square is less than perimeter of circle.
Therefore, Pragya has cord left with her.
Given statement is true.
Option 1 is correct.

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