Question

( 4 ) The height of a cylinder is 18 cm and the radius of the base is 7 cm . What is its total surface area ?​

Answer 1

Solution

A=2πrh+2πr2=2·π·7·18+2·π·72≈1099.55743cm²

so, answer is 1099.56cm^2

This is your correct answer friend

Answer 2

Answer:

1100cm^2

Step-by-step explanation:

TSA of cylinder =

$2 \pi \times r \times r + h$

2×22/7× 7 × (7+18)

= 44× 25

= 1100 cm^2

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