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Understanding Different Types of Angles: Right, Acute, Obtuse, Straight, and Reflex

Explore the fundamental types of angles in geometry: Right angles (90°), identifiable by the box symbol, Acute angles (less than 90°), and Obtuse angles (greater than 90° but less than 180°). Learn about Straight angles, which represent a complete direction change, and Reflex angles (greater than 180° but less than 360°). This guide provides clear definitions and visual cues to easily identify each angle type, enhancing your understanding of their properties and applications in various contexts.

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Understanding Different Types of Angles: Right, Acute, Obtuse, Straight, and Reflex

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  1. angles Done by : Alaa & AliaaMajdi

  2. Types of Angles

  3. Right angles A right angle is an internal angle which is equal to 90° Note the special symbol like a box in the angle. If you see this, it is a right angle. The 90° is rarely written in. If you see the box in the corner, you are being told it is a right angle.

  4. Acute angles An Acute Angle is less than 90°  All the angles below are acute angles:>

  5. Obtuse angles An Obtuse Angle is more than 90° but less than 180° All the angles below are obtuse angles:

  6. Straight angle A straight angle changes the direction to point the opposite way. Sometimes people say "You did a complete 180 on that!" ... meaning you completely changed your mind, idea or direction.

  7. Reflex angles A Reflex Angle is more than 180° but less than 360° All the angles below are reflex angles:

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