Question

The given figure’s net form is

a) Square
b) Cube
c) Triangle
d) Rectangle

Answer 1

Hint: We are given a plane form as shown in the figure. Mark all the faces from 1 to 6. Then, try to fold the shape along the dashed lines to form a closed 3-D figure.

Complete step-by-step answer:
The first step is to number each of the boxes, since there are 6, we will number them from 1 to 6 as shown below,

Now, folding them along the dotted lines, we will get the following figure:

This figure can be observed to be a cube. All the boxes are of the same size and so when they are folded to form a 3D figure, it would represent a cube.

So, the correct answer is “Option b”.

Note:A planform is the shape and layout of a three-dimensional figure in a two-dimensional form. So, clearly, we need to choose the option which is a 3-D figure. Among the options, the only cube is a 3-D figure, whereas square, rectangle, and triangle are 2-D shapes. Therefore, it is the planform of the cube.
Also, the platform has a quadrilateral as a base shape which is repeated, so the 3-D figure of a quadrilateral can be cube or cuboid. So, we can say that it forms a cube, as cuboid is not in the options given.