Freeflows
Trapezoid Area Ratio
Quadrilateral $ ABCD $ is a trapezoid with $ AB $ parallel to $ CD $. We know $ AB = 20 $ and $ CD = 12 $. What is the ratio of the area of triangle $ ACB $ to the area of the trapezoid $ ABCD $? Express your answer as a common fraction.
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- $\frac{a}{b}$
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- 0
- =
- %
- $a^n$
- $a^{\circ}$
- $a_n$
- $\sqrt{}$
- $\sqrt[n]{}$
- $\pi$
- $\ln{}$
- $\log$
- $\theta$
- $\sin{}$
- $\cos{}$
- $\tan{}$
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- $)$
- $[$
- $]$
- $\cap$
- $\cup$
- $,$
- $\infty$