Angles our Friends.
The angles measuring 90° are called right angles.
The angles measuring 180° are called straight angles.
All the angles which measure less than 90° are called acute angles.
All the angles which measure greater than 90° but less than 180° are called obtuse angles.
All the angles which measure greater than 180° but less than 360° are called reflex angles.
Access All Content
Video Explanations, Practice Worksheets and Solved Examples for all Chapters.
Textbook solutions, Formulae and Mindmaps across all boards.
More from Grade 5 Math
Types of Lines
All you need to know about lines, parallel, perpendicular and intersecting lines. Along with all the examples from the world around you.
Types of Angles
Learn about the different types of angles acute, right, obtuse and more through exciting facts from the Wonders of the World.
