Question

16. The circumference of a right circular
eylinder is 77 cm. Find the total surface
area if the height is 1.2 m.​

Answer 1

Answer:

Explanation:

Because circumference is 77cm.

So, radius be 77×7/2×22

77×7/44cm.

Now, The total surface area of the cylinder is 2πr(r+h)

2×(22/7)×(77×7/44){(77×7/44)+120}

Because all are in cm but height is given in m.

Hope you can calculate.

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