You would add up all of the sides by combining like terms. Let me know if you want the answers for it.
Step-by-step explanation:
Any positive number can. be a side length. It cannot pass 7 because a square with 49 sqr lnches as a area has side lengths with the measures of 7.

Answer:
The area of a triangle can be found using:
a=1/2 bh
or
a=(bh)/2
where b is the base and h is the height
Do you have a picture to your problem ?