Home
Class 9
MATHS
The radius of a sphere is 3 cm. Its tota...

The radius of a sphere is 3 cm. Its total surface area will be :
(1) `18pi cm^(2)` (ii) `36 pi cm^(2)` (iii) `72pi cm^(2)` (iv) `108 pi cm^(2)`

Text Solution

Verified by Experts

Here, radius r = 3 cm
`therefore` Surface of sphere `= 4pi r^(2)`
`= 4pi(3)^(2)`
`= 36 pi cm^(2)`
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREA AND VOLUME

    NAGEEN PRAKASHAN|Exercise Problems From NCERT/exemplar|24 Videos

  • SURFACE AREA AND VOLUME

    NAGEEN PRAKASHAN|Exercise Exercise 13a|30 Videos

  • STATISTICS

    NAGEEN PRAKASHAN|Exercise Revision Exercise|10 Videos

  • TRIANGLES

    NAGEEN PRAKASHAN|Exercise Revision Exercise (long Answer Type Question)|8 Videos

Similar Questions

Explore conceptually related problems

The radius and height of a right circular cone are 4 cm and 9 cm respectively. Its volume will be : (i) 36pi cm^(3) (ii) 48pi cm^(3) (iii) 72pi cm^(3) (iv) 100pi cm^(3)

The diameter of a sphere is 6 cm. Find the total surface area of the sphere. (pi = 3.14)

Find the radius of the sphere whose surface area is 36pi cm^(2) .

The volume of a sphere is 36 pi cm^(3) . Find the surface area of the sphere.

The slant height of a cone is 13 cm and its total surface area is 90pi cm^(2) . Find its radius of base.

Find the radius of the sphere whose curved surface area is 64pi Cm^2

If radius of a circle is 3cm, what is the area of the circle in sq.cm6 pi(b)9 pi(c)(3 pi)/(2) (d) 9 pi^(2)

The volume of a hemisphere is 2.25pi cm^(3) . What is the total surface area of the hemisphere?

The area of a circle is 9 pi cm^(2). Its circumference is 6 pi cm(b)36 pi cm9 pi cm(d)36 pi^(2)cm

The surface area of a sphere is 100pi cm^(2) . Find its volume.