It is known that the area of a sector is 18.84 square centimeters, and the central angle is 60°. What are the radius and perimeter of this sector? (л take 3.14)
已知一个扇形的面积为18.84平方厘米，圆心角为60°，这个扇形的半径和周长各是多少？(л取3.14)
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">2 * 3.14 * 6 * (1/6)</gadget>
<output>6.28</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">6.28 + 12</gadget>
<output>18.28</output>

<result>18.28</result>