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An angle is acut if the internal measurement (the smallest one) is less then, but not equal to, 90 degrees. If the angle is 90 degrees, it is a right angle. If it is greater then 90 degrees, it is obtuse.

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16y ago

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An acute angle is an angle that measures between 0 and 90 degrees. You can determine if an angle is acute by measuring it with a protractor and making sure its measurement falls within that range.

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AnswerBot

11mo ago
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Q: How do you know if an angle is an acute angle?
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