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An angle whose measure is equal to 90ο.
  • a)
    obtuse angle
  • b)
    straight angle
  • c)
    right angle
  • d)
    acute angle
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
An angle whose measure is equal to 90ο.a)obtuse angleb)straigh...
An angle whose measure is exactly 90° is called a right angle.
  • An obtuse angle is greater than 90° but less than 180°.
  • A straight angle is exactly 180°.
  • An acute angle is less than 90°.
Thus, the correct answer is C: right angle.
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Community Answer
An angle whose measure is equal to 90ο.a)obtuse angleb)straigh...
Understanding Angles
Angles are formed when two rays meet at a common endpoint, called the vertex. The measure of an angle is often expressed in degrees. Here, we explore the types of angles based on their measures.
Types of Angles
- Acute Angle: An angle that measures less than 90 degrees.
- Right Angle: An angle that measures exactly 90 degrees.
- Obtuse Angle: An angle that measures more than 90 degrees but less than 180 degrees.
- Straight Angle: An angle that measures exactly 180 degrees.
Right Angle Explained
The correct answer to the question about an angle measuring 90 degrees is option 'C', which is a right angle.
- A right angle is visually represented by the corner of a square or rectangle.
- It is a fundamental angle in geometry and is used as a reference point for measuring other angles.
Why Right Angle is Important
- Right angles are crucial in construction and design, as they help ensure structures are built correctly.
- They are also essential in trigonometry and various fields of mathematics.
Conclusion
In summary, an angle measuring 90 degrees is specifically defined as a right angle. This is a key concept in geometry, making it important for students to understand the distinction between the different types of angles.
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