Acute angle

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Acute Angle (PSF)

An acute angle ("acute" meaning "sharp") is an angle smaller than a right angle (it is less than 90 degrees and more than 0 degrees).If you choose the larger angle you. will have a Reflex Angle instead. The smaller angle is an Acute Angle, but the larger angle is a Reflex Angle. Acute angles are the smallest types of angles.