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The diameter of the marble shown is 35 millimeters. find the surface area and volume of the marble

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The marble is a spherical shape so use the formulas for the sphere:
V= 4/3*π*r³ where r= radius, diameter is twice the radius 
V= 4/3* π* (35/2)³
V= 22449.298 mm³

SA= 4*π*r²
SA= 4*π*(35/2)²
SA= 3848.45 mm²

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