Q. 275.0( 4 Votes )

# The height of a c

Answer :

We know that,

Total surface area of the cylinder = 2 (r + h)

Given that,

Diameter = 7 cm

So, Radius = 3.5 cm

Height = 80 cm

Therefore,

Total surface area = 2 × × 3.5 (3.5 + 80)

= 22 (83.5)

= 1837 cm^{2}

Hence, option A is correct

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