Description for Correct answer:
Required area = Area of square -4 x area of one sector

= \( \Large 14 \times 14-4 \times \frac{1}{4} \pi \times 7^{2} \)

= \( \Large 196 - 4 \times \frac{1}{4} \times \frac{22}{7} \times 7 \times 7 \)

= \( \Large 196\ -\ 154 \)

= \( \Large 42\ m^{2} \)