Pre-Algebra Examples

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\begin{array}{r} h = & 2 \\ r = & 5 \end{array}

$\begin{array}{r} h = & 2 \\ r = & 5 \end{array}$

Step 1

The volume of a cylinder is equal to the area of the base

π r^{2}

$π r^{2}$ times the height.

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

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

Step 2

Substitute the values of the radius

r = 5

$r = 5$ and height

h = 2

$h = 2$ into the formula to find the volume of the cylinder. Pi

π

$π$ is approximately equal to

3.14

$3.14$ .

π \cdot 5^{2} \cdot 2

$π \cdot 5^{2} \cdot 2$

Step 3

Raise

5

$5$ to the power of

2

$2$ .

π \cdot 25 \cdot 2

$π \cdot 25 \cdot 2$

Step 4

Move

25

$25$ to the left of

π

$π$ .

25 \cdot π \cdot 2

$25 \cdot π \cdot 2$

Step 5

Multiply

2

$2$ by

25

$25$ .

50 π

$50 π$

Step 6

The result can be shown in multiple forms.

Exact Form:

50 π

$50 π$

Decimal Form:

157.07963267 \dots

$157.07963267 \dots$

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