Final answer:
The radius of the circle is approximately 3.54 inches.
Step-by-step explanation:
To find the radius of the circle, we need to first find the area of the whole circle using the formula A = πr². Given that the area of the shaded segment is approximately 4.64 square inches and the central angle XYZ is 90 degrees, we know that the shaded segment is one-fourth of the total area of the circle. So, we can set up the equation:
4.64 = (πr²)/4
12.5 = r²
r ≈ √12.5 ≈ 3.54 inches
Therefore, the radius of the circle is approximately 3.54 inches when rounded to the nearest integer.