Question

Find the volume of this sphere.

Use 3 for TT.
V ≈ [?]ft³ 3
14 ft
V = πr³
Tr3

Answer 1

Given:

• d= 14 ft

Note that:

• d: diameter
• r: radius

To find:

• The volume of the sphere by using pi as 3.

Solution:

• Sphere is a 3D shape with two dimensional circles.

First, we'll have to find the radius.

`\large\boxed{\bold{r= (d)/(2)}}`

Let's solve!

To find the radius we'll have to divide the diameter by 2.

Substitute the values according to the formula.

`r=(14)/(2)`

`\bold{r= 7 \: ft}`

Now, we can find the volume of the given sphere.

`\large\boxed{\bold{V= (4)/(3)\pi{r}^(3)}}`

`\large\boxed{\bold{\red\pi\red=\red3}}`

Substitute the values according to the formula.

`V= (4)/(3)*3*{7}^(3)`

`\large\boxed{\bold{V= 1372 \: {ft}^(3)}}`

The answer is a whole number so we won't have to round off.

Hence, the volume of the given sphere is 1372 cubic feets.

Answer 2

`\sf{\qquad\qquad\huge\underline{{\sf Answer}}}`

Here we go ~

Given :

• diameter = 14 ft, radius = d/2 = 14/2 = 7 ft

• take pi = 3

Let's calculate volume of the sphere ~

`\qquad \sf  \dashrightarrow \:v = (4)/(3) \pi {r}^(3)`

`\qquad \sf  \dashrightarrow \:v = (4)/(3) \sdot3 \sdot {7}^(3)`

`\qquad \sf  \dashrightarrow \:v = 4 \sdot343`

`\qquad \sf  \dashrightarrow \:v = 1372 \: \: ft {}^(3)`