Please calculate the area of this quadrilateral.

His research is deeply related to my project.

Police dogs are very effective in tracking criminals.

He is an expert in criminal law.

This is my new car.

The continuation of this project is important for our team.

I often go to watch horse racing on weekends.

Keisei is a type of Kanji, consisting of parts that represent sound and meaning.

Our town is located at 135 degrees west longitude.

Tokyo is located at 139.46 degrees east longitude.