Answer:
The length of the radius is 3cm.
Explanation:
Given that a circle is inscribed in a square. The side of the circle touches the side of the square which is the diameter. So the diameter of circle is 6cm, in order to find it's radius, you have to duvide it by 2 :
![radius = diameter / 2](https://img.qammunity.org/2021/formulas/mathematics/high-school/xjq838ileghqlbn4663qck9qd9eb6f2l5h.png)
![radius = 6 / 2](https://img.qammunity.org/2021/formulas/mathematics/middle-school/8r67om4pwotigq0pnl4l1wf2y11uukw7kg.png)
![radius = 3cm](https://img.qammunity.org/2021/formulas/mathematics/middle-school/zn6rygpk3bacrc6x6k76xk9d1h6i5iiqe6.png)