Kathi folds a square piece of paper twice and subsequently cuts it along the two lines as shown in the
picture. The resulting pieces of paper are then unfolded if
possible. How many of the pieces of paper are squares?
(A) 3 (B) 4 (C) 5 (D) 6 (E) 8

answer: a.

step-by-step explanation: the answer is a. because, you need to converge the fractions to find a solution.

answer: plz give a pic and answer choices so i can answer!

step-by-step explanation:

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional