Answer :

Raspiberry
Surface = 4*/pi*R^2
surface = 4*/pi*37^2
surface = 17203,36mm^2
olemakpadu
Surface area for sphere = 4πr².    

Diameter = 74 mm , radius, r = 74/2 = 37 mm

Area = 4πr². = 4π*37² = 17 203.36 mm²     Using your calculator.

Third option from the top. 

Other Questions