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An angle whose measure is greater than 90° and less than 180° is called an obtuse angle. Learn more about obtuse angles, their properties, degrees, along with solved examples and practice questions.
- Isosceles Obtuse Triangle
In geometry, an isosceles obtuse triangle can be considered...
- Obtuse Scalene Triangle
In geometry, an obtuse scalene triangle can be defined as a...
- Pair of Angles
Pairs of Angles. When angles appear in groups of two to...
- Types of Angles
Supplementary angles: Two angles are considered...
- Triangle Calculator
How to Use the Triangle Calculator? Please follow the below...
- Angle Sum Property
A triangle has three sides and three angles, one at each...
- Isosceles Obtuse Triangle
An obtuse angle is an angle with angle measure greater than 90° and less than 180°. In other words, it lies between 90° and 180°. So, what does an obtuse angle look like? How many degrees does an obtuse angle measure? Take a look at the given Obtuse Angle diagram to understand its range better.
Lines and angles. A line is an infinite number of points between two end points. Where two lines meet or cross, they form an angle. An angle is an amount of rotation. It is measured in degrees. Types of angles. Name of angle. Example.
Answer. Activity 3.1 Obtuse Angles. An obtuse angle has measure between \ (90^ {\circ}\) and \ (180^ {\circ}\). In this section we will define the trigonometric ratios of an obtuse angle as follows.
Obtuse Angle. An obtuse angle is the opposite of an acute angle. It is the angle which lies between 90 degrees and 180 degrees or in other words; an obtuse angle is greater than 90 degrees and less than 180 degrees. The figure above illustrates an obtuse angle.
An obtuse angle is an angle that measures greater than 90 degrees but less than 180 degrees. In other words, it is an angle that is wider or larger than a right angle but smaller than a straight angle.
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).
