4πm³/8
Step-by-step explanation:
The surface area of a sphere is calculated using the formulae;
= 4*π*r3
Given the diameter m, we can find the radius by dividing it into half;
= m/2
Then we replace r with m/2 in the surface areas formulae;
= 4*π* (m/2)³
= 4πm³/8
Learn More:
Learn more on solving problems with unknown values;
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