RBSE Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Intext Questions

Rajasthan Board RBSE Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Intext Questions Textbook Exercise Questions and Answers.

RBSE Class 7 Maths Solutions Chapter 15 Visualising Solid Shapes Intext Questions

(Try These: Page No: 277)

Question 1.
Match the shape with name :

Answer:
(i) - (b)
(ii) - (d)
(iii) - (a)
(iv) - (c)
(v) - (f)
(vi) - (e)

(Do This: Page No: 279)

Question 1.
Complete the following table:
Answer:

(Try These Page No: 281)

Question 1.
Here you find four nets. There are two correct nets among them to make a tetrahedron. See if you can work out, which nets will make a tetrahedron.

Answer:
(i) and (iii) are correct nets to make a tetrahedron.

(Try These: Page No: 286)

Question 1.
Try to guess the number of cubes in the following arrangements:
(i)

Answer:
2 × 4 × 3 = 24 cubes

(ii)

Answer:
(1 × 3 × 2) + (2 × 1 × 1) = 8 cubes

(iii)

Answer:
(1 × 3 × 2) + (1 + 2) = 9 cubes

(Try These Page No: 287)

Question 1.
Two dice are placed side by side as shown, can you say what the total would be on the face opposite to:
(a) 5 + 6
(b) 4 + 3

(Remember that in a dice sum of numbers on opposite faces is 7.)
Answer:
(a) The total opposite to face 5 + 6 is 2 + 1,i.e. 3.
(b) The total opposite to face 4 + 3 is 3 + 4, i.e. 7.

Question 2.
Three cubes each with 2 cm edge are placed side by side to form a cuboid. Try to make an oblique sketch and say what could be its length, breadth and height.

Answer:
Length of the cuboid = 2 cm + 2 cm + 2 cm = 6 cm
Breadth of the cuboid = 2 cm
Height of the cuboid = 2 cm

(Try These Page No: 291)

Question 1.
For each solid, the three views (1), (2), (3) are given. Identify for each solid the corresponding top, front and side views.
(a)

Answer:
1-Front, 2-side, 3-Top

(b)

Answer:
1-Top, 2-side, 3-Front

(c)

Answer:
1-side, 2-Fornt, 3-Top

(d)

Answer:
1-side, 2-Top, 3-Front

Question 2.
Draw a view of each solid as seen from the direction indicated by the arrow.

Answer: