It is about 2 1 cm long.
The width is about 15cm,
About 0.8 cm thick
The area of a math book is 3 15 square centimeter =3. 15 square decimeter.
The surface area is 694.8 square centimeters =6.948 square decimeters.
The volume is 283.5 cubic centimeters =0.2835 cubic decimeter
I hope my answer can help you,