Question

the area of the base of a right circular cylinder is 216 cm^2 and the height is 0.5 cm. Find the base radius of the cylinder.​

Answer 1

Answer:

Let the radius of the base be r cm

Area of base of the cylinder = 81π

We know, Area of base = πr

2

⇒πr

2

=81π

⇒r

2

=81

⇒r=9

Height = 14cm

CSA of cylinder =2πrh

=2×π×9×14

=2×

7

22

×9×14 cm

2

=22×36cm

2

=792cm

2

Step-by-step explanation:

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Answer 2

Answer:

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