A coin of radius \( 1 \mathrm{~cm} \) is moving along the circumference and interior of a square... VIDEO
A coin of radius \( 1 \mathrm{~cm} \) is moving along the circumference and interior of a square of side \( 5 \mathrm{~cm} \). Find the locus of centre of the coin.
(a) A square of side \( 6 \mathrm{~cm} \)
(b) A square of side \( 4 \mathrm{~cm} \)
- (c) A square of side \( 3 \mathrm{~cm} \)
(d) A square of side \( 2 \mathrm{~cm} \)
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