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Mathematics 17 Online
OpenStudy (hannaha):

What's the difference between acute, right, and obtuse angles?

OpenStudy (anonymous):

acute= smaller than 90 angle right = 90 degree angle (exactly) obtuse= greater that 90 angle, less than 180

OpenStudy (hannaha):

Cool, thanks @mth3v4 that's deff helpful!

OpenStudy (hannaha):

BTW is there any way to do geometry problems without a protractor?

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