He drew a tetradecagon shape.

This design is a quadrilateral.

Please calculate the area of this quadrilateral.

He is the appropriate person for that position.

He let my mistake go without scolding me.

He is smart, but his heart is cold.

I believe it's important for us to always maintain a relationship where we are square with each other.

Let's call it square from now on.

In that case, we should make another plan.

I listened to my mother's scolding and reflected on my actions.