what type of shape is the red-circled part of this image called?
the red-circled part of this image is called a ____ shape.
![what type of shape is the redcircled part of this image calledthe redcircled part of this image is called a shape class=](https://us-static.z-dn.net/files/da8/90da023ad08758f8b46c138c2976f79d.jpg)