Matlab question, thank you

4. A circle is inscribed in a square in the manner of the following picture: (a) Write a function called inscrCircle.m that calculates the area of a circle inscribed in a square based on its area. Your function should take in the area of the square as input, and return the area of the circle as output. You may need to find a formula for this calculation from an external source or you may calculate in pieces. (b) In your main script Projectl.m, find the area of the circle inscribed in a square of area equal to 144 units by calling inscrCircle