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Download this stock vector: Right angle (90°); obtuse angle (more than 90° and less than 180°); acute angle (less than 90 degrees); and straight angle (an angle of 180°), vintage - 2B76XKE from Alamy's library of millions of high resolution stock photos, illustrations and vectors.
5 TYPES OF ANGLES, ACUTE ANGLE, RIGHT ANGLE
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D127 Notes - Acute Angle: Less than 90 degrees Right Angle
Obtuse angle: an angle whose measure is more than `90^@`but less than `180^@`is called