Mathematics: 4. Find the volume of the of the cylinder. 24 20 in in 120 in

4. Find the volume of the of the cylinder. 24 20 - id4242013236847, kitttimothy55

lifewkeya

13.06.2021

$V_{cylinder} =16,579.2\: in^3$

Step-by-step explanation:

Inner radius (r_1) = 20/2 = 10 in

Outer radius (r_2) = 24/2 = 12 in

Height of the cylinder (h) = 120 in

$\because V_{cylinder} =\pi( r_2^2-r_1^2) h$

$\therefore V_{cylinder} =3.14(12^2-10^2) 120$

$\therefore V_{cylinder} =376.8(12^2-10^2)$

$\therefore V_{cylinder} =376.8(144-100)$

$\therefore V_{cylinder} =376.8(44)$

$\therefore V_{cylinder} =16,579.2\: in^3$

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belen1266

06.03.2023

first we fisson in three regtangles. and we gain 6 cm to 3cm regtangles. they have the same width and length.

and we find their area. we multiplay 6cm and 3cm. the result is 18 cm square. and they have the same area.

lastly we find the value of the picture by find the sum of three regtangels.18cm square+18cm square+18cm square=

54cm square. fainally the answer is 54cm square.

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