Answer
$1410 \, in^2$
Work Step by Step
$s = \dfrac{1}{2}(a+b+c) = \dfrac{1}{2}(44+66+88) = 99 \, in$
$S = \sqrt{s(s-a)(s-b)(s-c)} = \sqrt{99 (99-44)(99-66)(99-88)}$
$S = 1410 \, in^2$
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