Skip to content
Philoid
Browse Saved
Back to chapter
Maths
20. Volume and Surface Area of Solids
Home · Class 8 · Maths · Ref. Book · 20. Volume and Surface Area of Solids
Prev
Next
Q26 of 94 Page 222

The surface area of a cube is 1176 cm2. Find its volume.

Let us assume the edge of the cube be a

We know that,


Total surface area of the cube = 6a2


6a2 = 1176 cm2


a =


a =


a = 14 cm


We also know that,


Volume of the cube = a3 = (14)3


= 2744 cm3


More from this chapter

All 94 →
24

A closed wooden box 80 cm long, 65 cm wide and 45 cm high, is made of 2.5-cm-thick wood. Find the capacity of the box and its weight if 100 cm3 of wood weighs 8 g.

25

Find the volume, lateral surface area and the total surface area of a cube each of whose edges measures:

(i) 7 m (ii) 5.6 cm (iii) 8 dm 5 cm

27

The volume of a cube is 729 cm3. Find its surface area.

28

The dimensions of a metal block are 2.25 m by 1.5 m by 27 cm. It is melted and recast into cubes, each of side 45 cm. How many cubes are formed?

Questions · 94
20. Volume and Surface Area of Solids
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved