Pre-Algebra Examples

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

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 $b = 2$ and height $h = 5$ into the formula for the area of a triangle.

$\frac{1}{2} \cdot 2 \cdot 5$

Step 3

Cancel the common factor of $2$ .

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Step 3.1

Cancel the common factor.

$\frac{1}{2} \cdot 2 \cdot 5$

Step 3.2

Rewrite the expression.

$1 \cdot 5$

Step 4

Multiply $5$ by $1$ .

$5 x^{2}$