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A chord of a circle of radius $10 \text{ cm}$ subtends a right angle at its centre.
The length of the chord (in cm) is :
The length of the chord (in cm) is :
- (a)$5\sqrt{2}$
- (b)$10\sqrt{2}$
- (c)$\frac{5}{\sqrt{2}}$
- (d)$5$
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(B) $10\sqrt{2}$