`Do T'MES Find the Total surface area 7 cm. 250² cm `
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Answer:
yes it does
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Solution
* First of all we have to calculate the radius of the circle.
Area of a circle = ap2
+ Area of circle = 22/7 x r2
250 = 22/7 x r2
+ r? = 79.5
+ r= 179.5 cm
- radius = 9 cm
Now,
T.S.A of a cylinder 2πη (h +r)
- T.S.A of cylinder = 2 x 22/7 x 9 (7 + 9)
T.S.A of cylinder = 44/7 x 9 (16)
T.S.A of cylinder = 44/7 x 144
+ T.S.A of cylinder = 6336/7
+ T.S.A of cylinder = 905.14 cm?
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