If two cubes of dimensions 3 cm by 3 cm by 3 cm are placed side by side, then the resulting dimension of the cuboid is length (l), breadth (b) and height (h). Find the value of l+b+h (in cm).
(a) Two cubes of dimensions 2 cm×2 cm×2 cm are placed side by side. What is the length of the resulting cuboid?
(b) How many faces, vertices and edges does a triangular prism have?
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