## Until 2014, the mass of a kilogram was defined as exactly equal to the mass of a special platinum-iridium cylinder kept in Sèvres, Fra

Question

Until 2014, the mass of a kilogram was defined as exactly equal to the mass of a special

platinum-iridium cylinder kept in Sèvres, France. The cylinder’s diameter and height are

both 39.2 millimeters.

What is the surface area of this cylinder?

A .960.04 mm

B.2304.96 mm

C.7241 25 mm

D.2015.66 mm

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Math
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2021-11-14T01:08:07+00:00
2021-11-14T01:08:07+00:00 1 Answer
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## Answers ( )

Step-by-step explanation:We have,

Diameter of cylinder, d = 39.2 mm

Radius, r = 19.6 cm

Height of the cylinder, h = 39.2 mm

It is required to find the surface area of this cylinder. The formula of the surface area of cylinder is given by :

Putting all values we get :