Topics
Measurement
topic badge
India
Class IX

Surface Area of a Sphere

Lesson
Practice

Interactive practice questions

Find the surface area of the sphere shown.

Round your answer to two decimal places.

A sphere is depicted with a circle drawn in solid green line. Dashed green lines are also drawn to represent the area of the sphere that are not directly visible and to show that it is a three-dimensional figure. The radius of the sphere measuring 11 cm is drawn with a purple line.

Easy
1min

Find the surface area of the sphere shown.

Round your answer to two decimal places.

Easy
< 1min

A sphere has a surface area of $450$450 cm2. Find the radius $r$r of the sphere.

Round your answer to two decimal places.

Enter each line of working as an equation.

Easy
2min

Find the surface area of the following sphere.

Round your answer to two decimal places.

Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account
Book a Demo
Sign up for free

Outcomes

9.M.SAV.1

Surface areas and volumes of cubes, cuboids, spheres (including hemispheres) and right circular cylinders/cones.

What is Mathspace

About Mathspace