Question

find the radius of a cylinder of height is 21 cm and 3234cm cube​

Answer 1

Answer:

h=21

r=?

volumeofcylinder=3234cm

2

πr

2

h=3234

7

22

×r

2

×21=3234

r

2

=

49

r=7cm

soradiusofthecylinder

base=7cm

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Answer 2

Answer:

Radius = 7cm

Step-by-step explanation:

Height = 21 cm

Volume = 3234 cm³

Volume of Cylinder = πr²h

3234 = 22/7 × r² × 21

3234/66 = r²

49 = r²

√49 = r

7 = r

Hence, Radius is 7 cm

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