Question

the height of a cylinder is 4 cm and area of its base is 25py cm². what will be the volume of the cylinder​

Answer 1

Answer:

Given : A Right circular cylinder

Height =14cm

curved surface area (CSA)=704sq.cm

Volume = ?

We know,

Curved surface area of cylinder =2πrh

704cm

2

=2πr×14cm

r=

2π×14

704cm

r=

14π

352cm

r=

7π

176cm

(putting π=

7

22

)

r=

7×22

176×7

cm

r=8cm

Volume of a Right circle cylinder (v)=πr

2

h

=

7

22

×8×8×14cm

3

=2816cm

3

Answer 2

Answer:

πr^2 = 2π

r^2 =25

r = √25

r = 5

Step-by-step explanation:

volume = π r^2h

v = 25 *4π

v = 100 π cm ^3

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