The surface of a swimming pool is rectangular in shape and measures 12 metre by 20 metre. A concrete walk 2 metre wide is to be built around the surface of the pool. What will be the surface area of the walk?
The surface of a swimming pool is rectangular in shape and measures 12 metre by 20 metre. A concrete walk 2 metre wide is to be built around the surface of the pool. What will be the surface area of the walk?