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 Stock Vector Image & Art - Alamy
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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.
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Right angle of 90 degrees hi-res stock photography and images - Alamy
Obtuse angle: an angle whose measure is more than `90^@`but less
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Right angle of 90 degrees hi-res stock photography and images - Alamy
Drawing acute, right and obtuse angles, 4th grade
Obtuse angle: an angle whose measure is more than `90^@`but less
180 angle Black and White Stock Photos & Images - Alamy
Obtuse angle is that angle which measures more than 90° but less
90° angle Black and White Stock Photos & Images - Alamy