Solution :
The total surface area of a closed right circular cylinder is computed by adding the area of the lateral surface and the area of the two bases, according to NCERT solutions for Class 9 Maths chapter 13 exercise 13.2 .
TSA=CAS+2(Area of a circle)
= 2πrh+2π(r^2)
TSA=2πr(h+r)
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