Answer:
surface area = 484 π square mm². volume = 1774.66667 π mm³.
Explanation:
radius = 11mm
Surface area of sphere = 4 π r ²
= 4 π (11) ²
= 4(121)π
= 484 π square mm².
Volume of sphere = (4/3) X π X r ³
= (4/3)π (11) ³
= (4/3) (1331) π
= 1774.66667 π
≈ 1775 π mm³