For example a cube has 8 vertices. 2D shapes are boring. Ah! Not really. But got your attention. Now. 3D shapes, they have 3 dimensions. Length, width and depth. What would the 3D version of a ...

To calculate the area of a composite shape you must divide the shape into rectangles, triangles or other shapes you can find the area of and then add the areas back together. You may have to ...