Basic Math Examples



$\begin{array}{r} h = & 1 \\ r = & 2 \end{array}$

Step 1

The volume of a cone is equal to

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

$π r^{2}$ times the height

$h$ .

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

Step 2

Substitute the values of the radius

$r = 2$ and height

$h = 1$ into the formula to find the volume of the cone. Pi

$π$ is approximately equal to

$3.14$ .

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

Step 3

Combine

$\frac{1}{3}$ and

$π$ .

$\frac{π}{3} \cdot 2^{2} \cdot 1$

Step 4

Raise

$2$ to the power of

$2$ .

$\frac{π}{3} \cdot 4 \cdot 1$

Step 5

Combine

$\frac{π}{3}$ and

$4$ .

$\frac{π \cdot 4}{3} \cdot 1$

Step 6

Simplify the expression.

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Step 6.1

Move

$4$ to the left of

$π$ .

$\frac{4 \cdot π}{3} \cdot 1$

Step 6.2

Multiply

$\frac{4 π}{3}$ by

$1$ .

$\frac{4 π}{3}$

Step 7

The result can be shown in multiple forms.

Exact Form:

$\frac{4 π}{3}$

Decimal Form:

$4.18879020 \dots$