A frustum is a cone with the end chop off a bucket in the shape of a frustum has diameters of 10cm and 4cm at its ends and a depth of 3cm calculate the volume of this bucket

Respuesta :

Answer:

The volume of the bucket is 122.52 cm³.

Step-by-step explanation:

Given : A frustum is a cone with the end chop off a bucket in the shape of a frustum has diameters of 10 cm and 4 cm at its ends and a depth of 3 cm.

To find : Calculate the volume of this bucket ?

Solution :

The diameters of frustum is

D=10 cm ⇒ R= 5 cm

d=4 cm ⇒ r= 2 cm

The height is h=3 cm

The volume of the frustum is given by,

[tex]V=\frac{1}{3}\pi[R^{2} +r^{2} +Rr]h[/tex]

Substitute the value in the formula,

[tex]V=\frac{1}{3}\pi[5^{2} +2^{2} +(5)(2)]3[/tex]

[tex]V=\frac{1}{3}\pi[25+4+10]3[/tex]

[tex]V=\frac{1}{3}\pi[39]3[/tex]

[tex]V=39\pi[/tex]

[tex]V=122.52[/tex]

Therefore, the volume of the bucket is 122.52 cm³.