2. (a) Identify three triangles in the figure.
(b) Write the names of seven angles.
(c) Write the names of six line segments.
(d) Which two triangles have as common?
(a) Three triangles in the given figure are , and .
(b) Seven angles in the given figure are , , , , , and .
(c) Six line segments in the given figure are AB, BC, CA, AD, BD and DC.
(d) and have as common.