Question

a thermos in the shape of a cylinder is filled with coffee.The height of the cylinder is 12 inches and its radius is 2 inches. To the nearest tenth of a cubic inch, what is the volume of coffee in the thermos?

Answer 1

Answer:

Volume of the thermos carrying coffee=$150.72 inches^3$

Step-by-step explanation:

Height of the cylinder=12 inch

Radius=2 inches

Volume of a cylinder= $\pi *r^2*h$

As , $\pi =\frac{22}{7} =3.14$

Putting the values in the formula:

Volume of the cylinder= $3.14*2*2*12$

$=3.14*4*12\\\\=3.14*48\\\\=150.72inches^3$

The volume of the thermos carrying coffee is $150.72 inches^3$

Answer 2

Answer:

150.7  in^3  if using 3.14 for pi

150.8  in^3  if using the pi button

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h where r is the radius and h is the height

V = (pi) * (2)^2 * (12)

V = pi *4*12

Using the pi button on the calculator

V =150.796

This round to 150.8 in^3

If we approximate pi using 3.14

V = 3.14 *4*12

V = 150.72

This rounds to 150.7 in^3