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total surface area - 2πr(r+h)
2×22/7×35/10(3.5+4)
22(3.5+4)..
2×22/7×35/10(3.5+4)
22(3.5+4)..
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first of all ....you have beautiful handwriting....
ok here it is ...
TOTAL SURFACE AREA OF A HOLLOW CYLINDER= 2πRH + 2πRh + 2π(R²-r²)
...
acc. to ur que. height means R = 4cm.
r=3.5cm
ok here it is ...
TOTAL SURFACE AREA OF A HOLLOW CYLINDER= 2πRH + 2πRh + 2π(R²-r²)
...
acc. to ur que. height means R = 4cm.
r=3.5cm
mrbranded:
sorry mistakenly posted ...wait I'm editing it
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