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# 3.12: Formulas for Problem Solving

Difficulty Level: Basic Created by: CK-12
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Practice Formulas for Problem Solving

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### Vocabulary Language: English Spanish

area of a rectangle

The formula for the area of a rectangle is given by $A=l(w)$, where $l=$ length and $w=$ width.

surface area of a cube

The surface area of a cube is given by the formula $Surface Area=6x^2$, where $x=$ side of the cube.

volume of a cone

The volume of a cone is given by the formula $\text{Volume} = \frac{\pi r^2 (h)}{3}$, where $r=$ radius, and $h=$ height of cone.

Formula

A formula is a type of equation that shows the relationship between different variables.

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