Basic Math Examples

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\begin{matrix} b = & 10 h = & 4 \end{matrix}

$\begin{array}{r} b = & 10 \\ h = & 4 \end{array}$

Step 1

The area of a triangle is equal to

$\frac{1}{2}$ the base times the height.

$\frac{1}{2} \cdot (b a s e) \cdot (h e i g h t)$

Step 2

Substitute the values of the base

$b = 10$ and height

$h = 4$ into the formula for the area of a triangle.

$\frac{1}{2} \cdot 10 \cdot 4$

Step 3

Cancel the common factor of

$2$ .

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Step 3.1

Factor

$2$ out of

$10$ .

$\frac{1}{2} \cdot (2 (5)) \cdot 4$

Step 3.2

Cancel the common factor.

$\frac{1}{2} \cdot (2 \cdot 5) \cdot 4$

Step 3.3

Rewrite the expression.

$5 \cdot 4$

Step 4

Multiply

$5$ by

$4$ .

$20$

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