Skip to content
Philoid
Browse Saved
Back to chapter
Mathematics
21. Surface Area and Volume of a Sphere
Home · Class 9 · Mathematics · Ref. Book · 21. Surface Area and Volume of a Sphere
Prev
Next
Q1 of 70 Page 21

Find the surface area of a sphere of radius 14 cm.

Surface area of a sphere = 4πr2


Surface area of a sphere of radius 14 cm = 4 × (22/7) × 142 = 2464 cm2


More from this chapter

All 70 →
31

A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm3) is needed to full this capsule?

32

The diameter of the moon is approximately one fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?

2

Find the total surface area of a hemisphere of radius 10 cm.

3

Find the radius of a sphere whose surface area is 154 cm2.

Questions · 70
21. Surface Area and Volume of a Sphere
1 2 3 4 5 6 7 8 9 10 11 12 13 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 31 32 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved