An angle can be defined as the figure formed by two rays meeting at a common end point. An angle is represented by the symbol ∠. Here, the angle below is ∠AOB. Angles are measured in degrees, using a protractor.
An angle is formed when two lines meet at a
An angle is formed when two lines meet at a shared point. They are measured in degrees, which are represented by the symbol °. There are four important types of angle: acute, right, obtuse, and reflex. A full circle has 360°. If you see an angle of 720°, it means it has rotated twice around a full circle.
Angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in the plane that contains the rays. Angles are also formed by the intersection of two planes. These are called dihedral angles.
5 Types of Angle
1. Acute Angle
- An acute angle is an angle that measures less than 90 degrees...
- For example, in an equilateral triangle, all three angles measure 60˚, making it an acute triangle. Acute triangle.
- Dividing the right angle will give us two or more acute angles since each newly formed angle will be less than 90˚.
2. Right Angle
- In geometry and trigonometry, a right angle is an angle of exactly 90° (degrees), corresponding to a quarter turn. If a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles.
3. Obtuse Angle
- An obtuse angle is a type of angle that is always larger than 90° but less than 180°. In other words, it lies between 90° and 180°.
4. Straight Angle
- In Maths, a straight angle is an angle equal to 180 degrees. It is called straight because it appears as a straight line. Basically, as per angles definition in maths, when two rays are joined end to end, they form an angle.
5. Reflex Angle
- A reflex angle is any angle that is more than 180 degrees (half circle) and less than 360 degrees (full circle). A reflex angle will always have either an obtuse or an acute angle on the other side of it
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