Question

Derivation of surface area of sphere formula

Answer 1

A sphere with radius  has a volume of  and a surface area of 4πr² .

Answer 2

Answer:

$4\pi \: r {}^{2} \\ \\ \\ hope \: u \: got \: the \: answer \: \\ \\ \\ \ \\ \:have \: a \: great \: day \: ahead$

$\: good \: night \: sweet \: dreams$