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Marta_Voda [28]
4 years ago
8

How to calucate surface area​

Mathematics
2 answers:
umka2103 [35]4 years ago
7 0

Answer:

2πrh + 2πr²

Step-by-step explanation:

The surface area of a cylinder is made up of the lateral area (area of the curved side of the cylinder) and of the ends.

The lateral area is A = πdh, where d is the diameter of the cylinder and h is the height.  This is equivalent to A = 2πrh, where r is the radius.

The area of one end of the cylinder is A = πr².

We must multiply that by 2 if we want the total area of the ends.

Then the overall total is

A = πdh + 2πr², or 2πrh + 2πr².

bearhunter [10]4 years ago
5 0

Answer:

Surface area of a cylinder = 2πrh+2πr²

r = radius

h = height

Step-by-step explanation:

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