Choices for 1st blank: a. CAF and EFA
b. GAC and DFE
c. CAF and EFH
d. GAB and EFA

choices for 2nd blank:
a. By the linear pair theorem
b. Because they are corresponding angles of parallel lines cut by a transversal
c. By the vertical angels theorem
d. By the transitive property of congruence

choices for 3rd blank:
a. addition
b. subtraction
c. substitution
d. transitive

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

source:

853.3

step-by-step explanation:

explanation:

step-by-step explanation: