提供解题思路，和解题过程，小学5年级---**Extracted Content:** **Question Number:** 11 **Question Stem:** 右图中，两个圆的半径都是4厘米，且图中两个阴影部分的面积相等，则圆心A与圆心B之间 **(Translation):** In the figure on the right, the radii of the two circles are both 4 centimeters, and the areas of the two shaded parts in the figure are equal, then between the centers A and B of the circles... **(Note:** The question stem appears incomplete in the provided image.) **Given Information:** * Radius of both circles = 4 centimeters. * Areas of the two shaded parts are equal. **Diagram Description:** * **Type:** Geometric figure showing two intersecting circles. * **Elements:** * Two circles. * Center of the left circle is labeled A. * Center of the right circle is labeled B. * A horizontal line segment connects A and B. * Two shaded regions are present within the overlapping area of the two circles. * The top shaded region is bounded by the arc of the right circle and the line segment AB. * The bottom shaded region is bounded by the arc of the left circle and the line segment AB. * There are also two vertical line segments extending upwards from A and B, and a horizontal line segment connecting their top ends, forming a rectangle above AB, but the shaded regions are not within this rectangle. **Options:** No options (A, B, C, D) are visible in the image.