Answer:
80
Step-by-step explanation:
the formula for a squares area is = A
the area is 400 so to find a side all you need to do is find the square root of 400, and that is 20
Finally multiply 20 by 4 so find the perimeter
Answer: yeah sure
hm im not so sure
Answer: Yes 3/5 and 21/35 are equivalent.
3 ÷ 5 = 0.6
21 ÷ 35 = 0.6
Answer: Find answer in the attached file
