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OpenStudy (anonymous):
Right triangles with an interior angle of 30° are similar true/false
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OpenStudy (anonymous):
all these triangels have the same angles 90, 30 and 180-(90+30) so must be similar
OpenStudy (ganpat):
True.. 30-60-90 theorem... infact, i guess any right angle triangle with given same angles would be same.. :-p
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