Right angle (90°); obtuse angle (more than 90° and less than 180
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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.
![](https://images.twinkl.co.uk/tw1n/image/private/t_630/u/ux/acute-angle_ver_1.png)
What are Angles in Maths? - Angle definition (geometry)
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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
![](https://c8.alamy.com/comp/2RHJ9D1/hadleys-quadrant-octant-sextant-britain-18th-century-london-mahogany-t-frame-and-radius-arm-with-clamp-index-with-a-90-degree-arc-diagonal-scale-for-dividing-the-increments-on-the-index-scale-this-quadrant-patented-in-1734-by-john-hadley-was-adopted-by-most-british-navigatorsan-octant-is-a-navigational-positioning-device-invented-by-isaac-newton-and-perfected-by-john-hadley-and-thomas-godfrey-in-1742-it-aligned-the-horizon-and-the-stars-more-efficiently-and-was-easier-quicker-and-more-accurate-to-use-than-previous-navigation-instruments-2RHJ9D1.jpg)
Abducted or flexed more than 90° Cut Out Stock Images & Pictures - Alamy
![](https://c8.alamy.com/comp/HMC8RR/illustration-of-a-little-boy-gesturing-an-acute-angle-HMC8RR.jpg)
Acute angle hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/2B771M9/the-geometric-construction-of-two-straight-lines-cut-by-a-transversal-the-8-angles-formed-are-labelled-vintage-line-drawing-or-engraving-illustratio-2B771M9.jpg)
Straight angles Black and White Stock Photos & Images - Alamy
![](https://mammothmemory.net/images/user/base/Maths/Geometry/Angles/an-obese-mans-belly-forms-an-obtuse-angle.f40a3e9.jpg)
An obtuse angle is greater than 90 degrees but less than 180
![](https://www.shutterstock.com/image-vector/poster-types-angles-classroom-resource-600w-2150844191.jpg)
Poster Types Angles Classroom Resource Educational Stock Vector (Royalty Free) 2150844191
180 degrees angle Free Stock Vectors
![](https://slideplayer.com/8154058/25/images/slide_1.jpg)
Types of Angles A reflex angle is more than 180° A right angle equals 90° 90 ° An acute angle is less than 90° An obtuse angle is more than 90 ° but less. - ppt download
![](https://i.ytimg.com/vi/6UR7NCanrBY/maxresdefault.jpg)
Draw an Obtuse Angle