A bucket is in the form of a frustum of a cone and holds 28.490 litres of water. The radii of the top and bottom are 28cm and 21cm respectively. Find the height of the bucket
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Heyy mate ❤✌✌❤
Here's your Answer..
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R1 = 28 cm
r2 = 21 cm
Let height of frustum be h cm
∴ Volume held by bucket = 28.490 litres =28490 cm³
Also,
Volume of frustum = π(R²+Rr+r²)h/3
=> 28490 = 22*(784+588+441)*h/(3*7)
=> 1813h = 28490*21/22
=> h = 27195/1813
=> h= 15cm.
✔✔✔
Here's your Answer..
⤵️⤵️⤵️⤵️⤵️⤵️⤵️
R1 = 28 cm
r2 = 21 cm
Let height of frustum be h cm
∴ Volume held by bucket = 28.490 litres =28490 cm³
Also,
Volume of frustum = π(R²+Rr+r²)h/3
=> 28490 = 22*(784+588+441)*h/(3*7)
=> 1813h = 28490*21/22
=> h = 27195/1813
=> h= 15cm.
✔✔✔
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