Question

if you fold a square paper vertically, the new rectangle has a perimeter of 39cm. what is the area of the original square?
what is the perimeter of the original square?
what is the area of the resulting rectangle?
make a ratio of area and perimeter. what do you notice?

Answer 1

area- 169
perimeter 52
area of rectangle- 84.5
169:52= 3.25
84.5: 39= 2.166666666