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The different types of angles
Bourdon optical illusion. Angle illusion where a straight line is perceived as slightly bent at an obtuse angle. The illusion effect does not appear as pronounced with horizontal and vertical figures.
rectangle obtuse angle and two arrow heads with acute angles. can be used for anyone, anytime, anywhere, any industry, any field, and any media
optical illusion with obtuse angles. minimalist aesthetic with close-up of green ceiling corner and walls. visual interest architectural detail, space for copy. banner or background composition.
Geometric figures.
Hand-drawn diagram of six types of angles: acute, right, obtuse, straight, reflex, full rotation. Essential geometry education tool.

Free stock photosobtuse angle (54)