He goes to the gym every day to train his quadriceps.

He made a model of a regular tetrahedron.

This shape is a parallelogram.

He is working round the clock.

The twenty-four divisions of the solar year, or 'Nijyushi Sekki', is a system that divides the year into 24 parts according to the changes in nature.

My four treasures of the study are a fountain pen, a pencil, an eraser, and a ruler.

He is doing squats to train his quadriceps femoris muscle.

I saw a cackling goose in the park.

Please calculate the quartiles of this data set.

We have our wedding on the twenty-fourth.