△KLM
is reflected to form​​ ​
△
K
′
L
′
M
′
​.
The vertices of​ ​​
△KLM
​ are​ ​
K(2,4)
​, ​
L(1,2)
​ , and ​
M(4,1)
​. The vertices of ​​
△
K
′
L
′
M
′
​ ​are
K
′
(4,2)
,
L
′
(2,1)
, and
M
′
(1,4)
.
Which reflection results in the transformation of
△KLM
​ ​ ​to​​ ​
△
K
′
L
′
M
′
​​​?


reflection across the x-axis

reflection across the y-axis

reflection across y = x

reflection across
y=−x