Aprēķins: fcmaBW - 1

S_san  = 
 2* π* r* h
S_san =  2* π* r* h$$S_{san}$$ = $$2\cdot \pi\cdot r\cdot h$$
S_san =  2* h* r* π$$S_{san}$$ = $$2\cdot h\cdot r\cdot \pi$$
S_san =  2* 2.12* 3.14* 3.14$$S_{san}$$ = $$2\cdot 2.12\cdot 3.14\cdot 3.14$$
S_san = 41.804704$$S_{san}$$ = $$41.804704$$
S_san = 41.8047$$S_{san}$$ = $$41.8047$$