Question

Find the total surface area of a solid cylinder of radius 5cm
and height 10cmp​

Answer 1

Answer:

Given

The Radius of a solid cylinder (r)=5cm

Height (h)=10cm

Hence

Total surface area =2πrh+2πr² 

 

=2πr(h+r)

=2π×5(10+5)

=π×10×15

=150πcm²  

 

Answer 2

Answer:

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Step-by-step explanation:

here  

Radius (r) =   5 cm  

height  (h) = 10 cm  

TSA          =  2πr(h+r)  

TSA          = 2 x 3.14 x 5 ( 10 + 5)  

                = 31.4(15) = 471 cm²

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In terms of π

TSA = 2 π r (h + r )  

       = 10 π (15 )  

       = 150π