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41 votes
I need help with this please!

I need help with this please!-example-1
User Las Ten
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1 Answer

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16 votes

Volume of a sphere:

V = (4/3)πr³

Circumference of a sphere:

C = 2πr

Surface area of a sphere:

A = 4πr²

above are important sphere related equations

so to find the surface area plug in values for equation

A= 4πr²

= 4 × 3.14 × 5.4 ×5.4

= 366.25 mm²

User Ideamotor
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