Due to the brief but heavy snowfall, the school closed early.

He was repainting the window frame.

In what way did you solve that problem?

I wonder who knows that secret?

Please help her in some way.

'素' is one of the basic characters in Japanese.

In this right triangle, since one angle is 30 degrees, its complementary angle is 60 degrees.

The opposite angles of a quadrangle intersect each other.

The wildebeest is a very rare animal.

Mr. Kakuma is my best friend.