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Answer:
294 cm^2.
Step-by-step explanation:
[tex]A = \frac{h}{2} (a+b)[/tex] where A = area, h = height and a and b are the lngths of the 2 bases.
So [tex]A = \frac{14}{2} (19+23)[/tex]
= 7*42
= 294 cm^2.