Which pair of triangles can be proven congruent by SAS?
A
2 identical triangles are shown. The triangle is reflected across a line to form the second triangle.
B
2 identical triangles are shown. The triangle is rotated 90 degrees to form the second triangle.
C
2 identical triangles are shown. The triangle is reflected across a line and then rotated to form the second triangle.
D
2 identical triangles are shown. The triangle is rotated up and to the left 90 degrees to form the second triangle.