Question

A cylindrical vessel, open at the top, has a radius 10 cm and height 14 cm. Find the total surface area of the vessel. (Take n = 3.14) a​

Answer 1

Answer:

1193.2 cm²

Step-by-step explanation:

TSA of cylinder open from top is 2πrh +πr²

r = 10 cm

h = 14 cm

2πrh +πr² = 2 × 3.14 × 10 × 14 + 3.14 × 10²

= 879.2 + 314

= 1193.2 cm²

therefore, the total surface area of the vessel is 1193.2 cm²

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Answer 2

1193.2 cm squared

explanantion :

surface area of given =total surface area - surface area of one

cylindrical vessel               of cylinder              flat surface

           =$(2\pi rh + 2\pi r^{2} ) - \pi r^{2} \\2\pi rh + \pi r^{2} \\2*10*14\pi + 10^{2} \pi \\280\pi + 100\pi \\380\pi = 380*3.14=1193.2cm^{2}$

hence, the area of the vessel is 1193.2 cm squared.