Surface Area
In the picture below is the net of a cube. What would be the total surface area of the outside of the cube when the net is made into the cube?
Want practice that adjusts to your level as you improve? Try ElevenEdge— adaptive 11+ questions built for exactly this.
If three of the squares are 15cm long then one square is 5cm long. This means that the area of one square is 25cm squared and there are 6 squares so the surface area would be 150cm squared.
ReplyDelete