In Problems $13-24$, find the area of each triangle. Round answers to two decimal places. $$a=5, \quad b=8, \quad c=9$$
Added by Charles D.
Step 1
Plugging in the values $a = 5$, $b = 8$, and $c = 9$: $s = \frac{5 + 8 + 9}{2} = \frac{22}{2} = 11$ Show more…
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