Current location - Training Enrollment Network - Mathematics courses - A little knowledge about angles (mathematics). Urgent! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
A little knowledge about angles (mathematics). Urgent! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
Acute angle: An angle less than 90 is called acute angle.

Right angle: An angle equal to 90 is called a right angle.

Oblique angle: an angle greater than 90 and less than180 is called obtuse angle.

Flat angle: The two sides of an angle form a straight line, and the angle formed at this time is called a flat angle. Boxer 180.

Fillet: One side of the corner rotates once and coincides with the other side. Fillet 360.

Related articles
  • General theory of algebra
  • How to solve the application problem of quadratic equation in ninth grade mathematics? Because the topic gives me many conditions, I don't know how to make it.
  • On how to cultivate junior high school students' mathematical language expression ability
  • What are the five techniques of Taoism?
  • What do letters stand for in mathematics?
  • What books, Chinese, math, chemistry, English and physics should Zhejiang Senior Two take? I have to take several compulsory courses and elective courses. With the help of understanding.
  • Frequently asked questions about high school mathematics vectors
  • Is there a prize in the mathematical modeling contest?
  • Jiaopei personal studio mathematics
  • (20 14? The third model of Pudong New Area is the solubility curve of A and B (excluding crystal water). I. the meaning of the intersection of m in the first one is _ _ _

    • copyright 2024 Training Enrollment Network All rights reserved