Question

what is the total surface area of a cylinder with the same radius and height?
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Answer 1

Answer:

A=2πrh+2πr2

Step-by-step explanation:

see this

explanation

Answer 2

Step-by-step explanation:

Since, the height of a sphere is the diameter, the cone and cylinder have height 2r.

Then

Curved surface area of Sphere=4πr²

Curved surface area of cylinder =2πr(2r)=4πr²