Answer
A= 567 m$^2$
Work Step by Step
A=$\frac{1}{2}$(b$_1$+b$_2$)h
A=$\frac{1}{2}$(37+26)18
A=$\frac{1}{2}$(63)18
A=$\frac{1}{2}$(1134)
A=567 m$^2$
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