Answer
$Area = 14.98 u$
Work Step by Step
Heron's formula is given by $Area = \sqrt {s(s-a)(s-b)(s-c)}$
with s equal to half of a + b + c
Given a=5, b=6, and c=8
s= (5+6+8)/2 =9.5
$Area = \sqrt {9.5(9.5-5)(9.5-6)(9.5-8)}$
$Area = \sqrt {224.4375}$
$Area = 14.98 u$
