12. Adam drew two same size rectangles and divided them into the same number of equal
parts. He shaded of one rectangle and of
the other rectangle. What is the least number
of parts into which both rectangles could
be divided?

12

Step-by-step explanation:

1/3 of one rectangle

1/4 of one rectangle

1/3 compared to 1/4

common would be twelfths

d. is the correct answer

step-by-step explanation:

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

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