Topics
5. Surface Area and Volume
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AustraliaNSW
Year 11

5.025 Surface area of spheres

Lesson
Worksheet
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.

Easy
< 1min

What is the approximate surface area of the sphere?

Easy
< 1min

The planet Mars has a radius of $3390$3390 km. What is the surface area of Mars?

Easy
1min
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Outcomes

MS11-4

performs calculations in relation to two-dimensional and three-dimensional figures

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