Basic Math Examples



\begin{matrix} r = & 22 \end{matrix}

$\begin{array}{r} r = & 22 \end{array}$

Step 1

The area of a circle is equal to Pi

π

$π$ times the radius

r

$r$ squared.

π \cdot {(r a d i u s)}^{2}

$π \cdot {(r a d i u s)}^{2}$

Step 2

Substitute in the value of the radius

r = 22

$r = 22$ into the formula for the area of a circle. Pi

π

$π$ is approximately equal to

3.14

$3.14$ .

π \cdot 22^{2}

$π \cdot 22^{2}$

Step 3

Raise

22

$22$ to the power of

2

$2$ .

π \cdot 484

$π \cdot 484$

Step 4

Move

484

$484$ to the left of

π

$π$ .

484 π

$484 π$

Step 5

The result can be shown in multiple forms.

Exact Form:

484 π

$484 π$

Decimal Form:

1520.53084433 \dots

$1520.53084433 \dots$