What is a straight angle?a)An angle of 0°b)An angle of 90°c)An angle of 180°d)An angle of 360°Correct answer is option 'C'. Can you explain this answer?

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Understanding Straight Angles
A straight angle is a fundamental concept in geometry that is essential for understanding various types of angles and their properties.
Definition of a Straight Angle
- A straight angle measures exactly 180 degrees.
- It is formed when two rays point in exactly opposite directions, creating a straight line.
Characteristics of a Straight Angle
- Degrees: As mentioned, it measures 180°.
- Visual Representation: If you visualize a straight angle, it looks like a straight line with no bend, resembling the angle formed by the hands of a clock at 6:00.
Comparing with Other Angles
- 0° Angle: This is called a zero angle and represents no rotation at all.
- 90° Angle: Known as a right angle, this is a quarter of a full rotation, creating a perfect 'L' shape.
- 360° Angle: This represents a full rotation, bringing you back to the starting position.
Importance of Straight Angles
- Straight angles are crucial in various fields, including architecture, engineering, and design.
- Understanding straight angles helps in the construction of straight lines and the layout of structures.
In summary, a straight angle, measuring 180°, is a vital concept that differentiates it from other angles like 0°, 90°, and 360°. Understanding this will enhance your knowledge of geometry and its applications.

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