Respuesta :
The total surface area of the cylinder is 2992 sq. units.
What is the total surface area of the cylinder?
The total surface area of the cylinder with radius 'r' and height 'h' is
T.S.A = 2πr² + 2πrh = 2πr(r + h) sq. units
Calculation:
It is given that,
A cylinder has a circumference of its circular base of 88 cm and a height of 20 cm.
Circumference of the circular base of a cylinder = 2πr
⇒ 2πr = 88 cm
⇒ r = 88/2π = 14 cm
Then, the total surface area of the cylinder is
T.S.A = 2πr(r + h) sq. units
= 88(14 + 20)
= 88 × 34
= 2992 sq. cm
Therefore, the total surface area of the cylinder is 2992 sq. cm.
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