ShPanjaycibro ShPanjaycibro

23-07-2016
Mathematics

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is it true that a triangle sometimes has exactly one acute angle?

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apologiabiology apologiabiology

23-07-2016

no
if it has 1 acute angle, then the other 2 must be more than 90 each in other words, the other 2 angles must be over 180

all angles add to 180 no more

so no is answer

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