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kolezko [41]
3 years ago
6

The base angle of an isosceles triangle measures 54°. What is the measure of its vertex angle?

Mathematics
2 answers:
dezoksy [38]3 years ago
7 0
The answer is the last one because in isosceles triangles the base angles are congruent.
IrinaK [193]3 years ago
4 0
The answer is option D.72
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