Question

for the objects shown in isometric below, select the pattern from the choices given that could be folded up to obtain the object. 1. 2.

Explanation:

Step1: Analyze the first 3 - D object

Visualize folding each net option to match the shape of the first 3 - D object. Check the orientation of faces and the number of sides of polygons.

Step2: Analyze the second 3 - D object

Similarly, for the second 3 - D object, mentally fold each net option. Look at the relative positions of triangular and rectangular faces.

Step3: Eliminate incorrect options

For the first object, some options may have incorrect face - orientations or wrong numbers of faces. For the second object, eliminate options where the triangular and rectangular face connections are wrong.

Answer:

1. B
2. A