In the physics experiment, we observed the reflection of light using a concave mirror.

He has excellent abilities in every quarter.

This new song will be released as a double A-side single.

I used double-sided tape to stick the poster on the wall.

Sakuramenzuhira represents the beautiful nature of Japan.

He made a model of a regular icosahedron.

He made a model of a regular dodecahedron.

This regular dodecahedron is a geometric shape with perfect symmetry.

This solid is called a regular icosahedron, and it is made up of 20 equilateral triangles.

He is an actual person.