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The length of a rope, to which a cow is tied, is increased from $19$ m to $30$ m. How much additional ground will it be able to graze ? Assume that the cow is able to move on all sides with equal ease. Use $\pi = \frac{22}{7}$ in your calculations.

- $1696$ sq m
- $1694$ sq m
- $1594$ sq m
- $1756$ sq m