# Chapter 9 - Basic Algebra - Review Exercises: 74

27 feet

#### Work Step by Step

We are given the formula $A=\frac{1}{2}bh$ and asked to evaluate where $b=6$ and $h=9$ (both in feet). We can plug in these values in order to evaluate. $A=\frac{1}{2}(6)(9)=\frac{1}{2}\times6\times9=\frac{1\times6\times9}{2}=\frac{54}{2}=27$ feet

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