write the formula used to calculate t. s. a of cylinder
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The formula used to calculate the T. S. A. of cylinder is :
T. S. A. of cylinder = 2πrh + 2πr^2
where, the value of π is taken as 22/7 in the term of fraction.
where, the value of π is taken as 3.14 in the term of decimal.
Here,
2πr^2 is the area of the bottom and top circle. It is the area of base.
2πrh is the lateral surface area of cylinder.
T. S. A. of cylinder = 2πrh + 2πr^2
where, the value of π is taken as 22/7 in the term of fraction.
where, the value of π is taken as 3.14 in the term of decimal.
Here,
2πr^2 is the area of the bottom and top circle. It is the area of base.
2πrh is the lateral surface area of cylinder.
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Answer is
- There are two ends so their combinded surface area is 2 π * r2. The surface area of the side is the circumference times the height or 2 π * r * h, where r is the radius and h is the height of the side. The entire formula for the surface area of a cylinder is 2 π r2 + 2 π r h.
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