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According to NCERT solutions for Class 9 Maths chapter 13 exercise 13.2 ,How is the total surface area calculated from the lateral surface area and area of the circle?


Sumit Saini 22nd Dec, 2021
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Sumit Saini 22nd Dec, 2021

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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