Question

The circumference of the base of a cylinder is 176 cm and it's height is 65cm find its volume.​

Answer 1

Step-by-step explanation:

Given circumference = 176cm176cm

Given height = 30cm30cm

Volume of cylinder = πr2hπr2h

Therefore, we need the radius of the base..

Circumference of a circle = 2πr2πr

2πr=1762πr=176

Here I am taking ππ to be 227227

2×227r=1762×227r=176

r=176×744r=176×744

r=28cmr=28cm

Now apply the formula for volume of cylinder

227×282×30227×282×30

Volume = 73920cm373920cm3

1litre1litre = 1000cm31000cm3

Therefore volume in litres,

= 739201000739201000

=73.92litres73.92litres

Answer 2

Answer:

160160 cm^3

GIVEN :-

circumference of the base = 176cm

Height = 65cm

Now, we have to find radius

so,

$= > 2\pi(r) = 176 \\ = > r = 176 \times \frac{7}{22 \times 2} \\ = > r = 28cm$

Now ,Volume of cylinder =

$\pi(r )^{2} h$

$= > \frac{22}{7} \times {28}^{2} \times 65 \\ = > 160,160 {cm}^{3}$

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