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There are two main ways to label angles: 1. give the angle a name, usually a lower-case letter like a or b, or sometimes a Greek letter like α (alpha) or θ (theta) 2. or by the three letters on the shape that define the angle, with the middle letter being where the angle actually is (its vertex).
The six different angles in geometry based on magnitude are: Acute angle, Obtuse angle, Right angle, Straight angle, Reflex angle and full angle
Acute Angle; An acute angle is an angle that lies between 0° and 90°. Examples: 35°, 80°, 72° etc. Obtuse Angle; An obtuse angle is an angle which lies between 90° and 180°. Examples: 135°, 150°, 122°, etc. Right Angle; A right angle is an angle that precisely measures 90 degrees. Straight Angle
If the angle is less than 90°, it is an acute angle. If the angle is exactly 90°, it is a right angle. If the angle is between 90° and 180°, it is an obtuse angle. If the angle is exactly 180°, it is a straight line. If the angle is exactly 360°, then it is a full turn.
How to classify triangles according to angles: right triangles, acute triangles, obtuse triangles, examples and step by step solutions
This geometry video tutorial explains the difference between acute angles, right angles, obtuse and straight angles. It also covers complementary and supple...
The Obtuse Triangle has an obtuse angle (an obtuse angle has more than 90°). In the picture on the left, the shaded angle is the obtuse angle that distinguishes this triangle. Since the total degrees in any triangle is 180°, an obtuse triangle can only have one angle that measures more than 90°.
How are angles formed? How do we classify angles? What are the different types of angles? If you are seeking answers to these questions, then this video is a...
The following table shows the different types of angles: right angles, acute angles, obtuse angles, straight angles, reflex angles and full angles. Scroll down the page if you need more explanations about each type of angles, videos and worksheets.
Problem 1: Creating right angles through paper folding activity. Problem 2: Determine whether angles are equal to, greater than, or less than a right angle. Problem 3: Draw right, acute, and obtuse angles. Show Step-by-step Solutions