A cylinder has a side area of 188.4 square centimeters and a height of 10 centimeters. What is the circumference of its base in centimeters?
一个圆柱的侧面积是188.4平方厘米，高是10厘米，它的底面周长是多少厘米．
<gadget id="calculator">188.4 / 10</gadget>
<output>18.84</output>

<result>18.84</result>