## ML Aggarwal Class 7 Visualising Solid Shapes Check Your Progress

Question 1.

Identify the nets which can be used to make a tetrahedron (cut out copies of the nets and try it):

Solution:

The net/nets for a tetrahedron is (i) and (iii).

Question 2.

If four cubes each with 2 cm edge are placed side by side, what would the dimensions of the resultant cuboid be?

Solution:

Four cubes with 2 cm edge are placed side by side,

then the dimensions of the resulting cuboid will be

Length = 4 × 2 = 8 cm, breadth = 2 cm and height = 2 cm

An isometric sketch and oblique sketches are given below:

Question 3.

Two dice are placed side by side as shown in the given figure. What would be the total on the face opposite to

(i) 5 + 6

(b) 4 + 3?

Solution:

When two dice are placed side by side

as shown in the given figure,

the total would be on face opposite to

(i) 5 + 6 is 3

(ii) 4 + 7 is 7

Question 4.

For the structures given below sketch the front, side, and top view:

Solution:

The front view side view and top view of the given two sketches are given below: