解答此题---**1. Question Stem:** 如图，将直角三角形ABC以AC所在的直线为轴旋转一周。 *Translation: As shown in the figure, rotate the right triangle ABC around the line containing AC as the axis for one revolution.* **Chart/Diagram Description:** * **Type:** Geometric figure (Right-angled triangle). * **Main Elements:** * **Points:** Labeled vertices A, B, C. * **Shapes:** A yellow-filled right-angled triangle ABC. * **Sides and Labels:** * Side AC is oriented vertically and has a length labeled "3 厘米" (3 cm). * Side BC is oriented horizontally and has a length labeled "2 厘米" (2 cm). * Angle C appears to be the right angle (implied by "直角三角形", right-angled triangle, and the visual representation with AC vertical and BC horizontal). **Sub-questions:** **(1) Question:** 可以得到一个什么图形？这个图形的高是多少？ *Translation: What shape can be obtained? What is the height of this shape?* **(2) Question:** 旋转后得到的图形的底面周长是多少？ *Translation: What is the circumference of the base of the shape obtained after rotation?*