Question

radius = 7 cm and height = 35 cm find the curved surface area and total surface area of the cylinder whose dimensions ​

Answer 1

Step-by-step explanation:

We know that volume of the cylinder =πr2h

Here r=7 cm h=50 cm

So,

V=22/7×7×7×50

V=22×7×50

V=7700 cm3

Also we know that curved surface area of cylinder =2πrh

So,

Curved surface area =2×22/7×7×50

Curved surface area =2200 cm2

We know that total surface area of cylinder =2π(r+h)

So,

Total surface area =2×22/7×7(7+50)

Total surface area =2580 cm2

I hope it will be helpful to you

Have a lovely day

Answer 2

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