Answer
$\frac{248}{3}$
Work Step by Step
Step 1. Identify the given quantities, we have $a=1, c=5, h=4$
Step 2. Use the formula, we have $Area=\frac{h}{3}(2ah^2+6c)=\frac{4}{3}(2(1)(4)^2+6(5))=\frac{248}{3}$
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