What is the measure of a right angle?a)45°b)90°c)180°d)360°Correct ans...
A right angle measures exactly 90°, which is half of a straight angle (180°). It is often represented by the 'L' shape.
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What is the measure of a right angle?a)45°b)90°c)180°d)360°Correct ans...
Understanding Angles
Angles are formed when two lines meet at a point, known as the vertex. The measure of an angle is typically described in degrees (°), and different types of angles are categorized based on their measures.
Types of Angles
- Acute Angle: Measures less than 90°.
- Right Angle: Measures exactly 90°.
- Obtuse Angle: Measures more than 90° but less than 180°.
- Straight Angle: Measures exactly 180°.
- Full Angle: Measures exactly 360°.
What is a Right Angle?
A right angle is an important concept in geometry, characterized by its specific measure:
- Measure: A right angle measures exactly 90°.
- Appearance: It is often represented by a square corner, like the corners of a piece of paper or the intersection of perpendicular lines.
Why is 90° Important?
- Foundation of Geometry: Right angles are fundamental in the study of geometric shapes and are used to define rectangles, squares, and other polygons.
- Applications: They are critical in construction, architecture, and various fields of design, where precise measurements are essential.
Conclusion
In conclusion, the correct answer to the question about the measure of a right angle is option b) 90°. Understanding the significance of right angles enhances our comprehension of both basic and advanced geometry.