Following the teachings of Buddhism, he reached the state of perfect enlightenment.

En'i is the religious name of Saigyō.

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

Today's dessert is tangyuan.

He drew a small circle on the notebook.

Please calculate the area of this right-angled triangle.

This figure is an acute triangle.

He taught me how to calculate the area of an obtuse triangle.

He was drawing a tridecagon shape.

Everyone, please have a good new year.