Gavin goes to the market and buys one rectangle shaped board. The length of the board is 16 cm and width is 10 cm. if he wants to add a 2 cm wooden border around the board, what will be the area of the rectangle board?

Respuesta :

check the picture below.

doesn't that make it just a 20 x 14?  well, surely you know what that area is.
Ver imagen jdoe0001