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One of the rays or segment that from a angle?
ray
Is a angle a one dimensional figure?
No, the two rays forming the angle define a plane, a 2-d object.
What does it mean for one line to be perpendicular to another?
That they meet to form an angle of 90 degrees.That they meet to form an angle of 90 degrees.That they meet to form an angle of 90 degrees.That they meet to form an angle of 90 degrees.
How do you name pairs of angles?
If the pair of angles are formed by two rays meeting at a point (see the superb figure below!) then it is difficult. The only way is to call one of them (angle y) a reflex or major angle, and the other (angle x) the minor angle. A B ____ y x \ ....\ .....C Otherwise, the angles can be named by using the names of the rays that form the angles, for example, if line DC meets line AB at C, (an even better figure!) D ...\ __\__ A C B then you have angle DCA to the left and DCB to the right.
What are perpendicular rays?
Perpendicular rays are two rays that intersect one another to form four right angles. Below is an image that shows two perpendicular rays.
