Question

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Answer 1

Answer:

d=10cm

r=5cm

h=2cm

CSA of Cylinder = 2πrh

= (2×22×5×2)7

= 440/7 cm^2

Answer 2

Diameter = 10cm

So , radius = 10/2 --> 5cm

Height = 21cm

Curved Surface Area of cylinder :

$2\pi \: rh$

$- > 2 \times \frac{22}{7} \times 5 \times 21$

$- > 2 \times 22 \times 5 \times 3$

$- > 44 \times 15$

$- > 660 {cm}^{2}$

Curved Surface Area of cylinder = 660cm^2

I hope it helps u bestie ^_^♡♡