Answer:
8/3 as a mixed number would be written as 2 2/3.
Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1)
we know that
The perimeter of triangle is equal to the sum of its length sides
so

Part 2)
we know that
The area of triangle is given by the formula

we have

substitute

Answer:

Step-by-step explanation:

The third one is true
good luck