Question

A closed cylindrical tank of radius 7 cm and height cm is made up from a seat of matter how much

Answer 1

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Answer 2

Answer:

Solution:

Given:

Radius of Cylindrical tank(r)= 7m

Height of cylindrical tank (h)=3m

Total surface area of cylindrical tank=

2πr(h+r)

 

Total surface area of cylindrical tank=2× (22/7)×7(3+7)

= 44×10= 440 m²

Total surface area of cylindrical tank= 440

m²

Hence, 440 m² sheet is required .

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