Select the correct answer.
Which triangles in the diagram are congruent?
70
triangle 1
triangle 2
70°
70
triangle 3
triangle 4
ОА triangle 1 and triangle 2
ОВ. triangle 1, triangle 2, and triangle 3
Ос
triangle 1 and triangle 3
OD. triangle 1, triangle 3, and triangle 4
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