En'i is the religious name of Saigyō.

He drew a small circle on the notebook.

Let's calculate the radius of the incircle of this triangle.

Please teach me how to draw the circumcircle of this triangle.

Today's dessert is tangyuan.

He drew a perfect circle on the blackboard.

That dome-shaped building has become a landmark of the city.

The Paleogene period was a very important time in the history of the Earth.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.

I have been to Outer Mongolia.