The length of the rope in this case becomes the radius of the circle that the goat is able to graze. The area of the circle is calculated through the equation, A = πr² Substituting, A = π(5m)² = 78.54 m² Thus, the area that the goat is able to graze is equal to 78.54 m².
![\sqrt[n]{m} = x^{ \frac{m}{n} }](https://tex.z-dn.net/?f=%20%5Csqrt%5Bn%5D%7Bm%7D%20%3D%20%20x%5E%7B%20%5Cfrac%7Bm%7D%7Bn%7D%20%7D%20)
![\sqrt[2]{ x^{3} }](https://tex.z-dn.net/?f=%20%5Csqrt%5B2%5D%7B%20x%5E%7B3%7D%20%7D%20)