Question

(a) Two cubes of dimensions $2cm\times 2cm\times 2cm$ 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?

[3 MARKS]

Answer 1

Each part: 1.5 Marks

(a) As it is clearly evident from the figure, when we place two cubes side by side, their length gets added, but there is no change in the other dimensions.

Length = 2 + 2 = 4 cm

Breadth = 2 cm

Height = 2 cm

(b)


Number of Faces = 5

Number of Vertices = 6

Number of Edges = 9