Answer: area of triangle = 13.4 ft ( after rounding the answer to 3 significance figures)
Step-by-step explanation:
formula for the area of triangle
= S + S + S
= 4.34 + 3.78 + 5.27
= 13.9 ft
= 13.4 ( after rounding off to three significant figures )
Hope this answer helps you! If it did, please mark it as the brainiest! I would really appreciate it! :)
There are 2 methods you are taught in Middle School.
Elimination and Substitution.
The answer is A please Mark as brainless
