Basic Math Examples



\begin{matrix} h = & 8 r = & 3 \end{matrix}

$\begin{array}{r} h = & 8 \\ r = & 3 \end{array}$

Step 1

The volume of a cone is equal to

\frac{1}{3}

$\frac{1}{3}$ times the area of the base

π r^{2}

$π r^{2}$ times the height

h

$h$ .

\frac{1}{3} \cdot π \cdot {(r a d i u s)}^{2} \cdot (h e i g h t)

$\frac{1}{3} \cdot π \cdot {(r a d i u s)}^{2} \cdot (h e i g h t)$

Step 2

Substitute the values of the radius

r = 3

$r = 3$ and height

h = 8

$h = 8$ into the formula to find the volume of the cone. Pi

π

$π$ is approximately equal to

3.14

$3.14$ .

\frac{1}{3} \cdot π \cdot 3^{2} \cdot 8

$\frac{1}{3} \cdot π \cdot 3^{2} \cdot 8$

Step 3

Combine

\frac{1}{3}

$\frac{1}{3}$ and

π

$π$ .

\frac{π}{3} \cdot 3^{2} \cdot 8

$\frac{π}{3} \cdot 3^{2} \cdot 8$

Step 4

Cancel the common factor of

3

$3$ .

Tap for more steps...

Step 4.1

Factor

3

$3$ out of

3^{2}

$3^{2}$ .

\frac{π}{3} \cdot (3 \cdot 3) \cdot 8

$\frac{π}{3} \cdot (3 \cdot 3) \cdot 8$

Step 4.2

Cancel the common factor.

$\frac{π}{3} \cdot (3 \cdot 3) \cdot 8$

Step 4.3

Rewrite the expression.

$π \cdot 3 \cdot 8$

Step 5

Simplify the expression.

Tap for more steps...

Step 5.1

Move

$3$ to the left of

$π$ .

$3 \cdot π \cdot 8$

Step 5.2

Multiply

$8$ by

$3$ .

$24 π$

Step 6

The result can be shown in multiple forms.

Exact Form:

$24 π$

Decimal Form:

$75.39822368 \dots$