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Two angles are supplementary the larger angle measures to be 120 degrees?
When 2 or more angles add up to 180 degrees they are said to be supplementary. Supplementary angles only occur on straight lines, so if one angle is said to be 120 the other angle has to be 60 degrees in order to form a straight line and also to add the angles to 180 degrees
What dos perpendicular mean?
Two lines are said to be perpendicular when they are at right angles. That means that the angle between them is 90 degrees.There are other meanings of perpendicular; for example, a line is said to be perpendicular to a plane when it is perpendicular to EVERY line of the plane that goes through the intersection.
The line at right angles to a surface?
A line with equal angles from a surface is referred to as being normal
When lines intersect in one place they are what?
Intersecting. Usually, if there are three or more lines, they are said to be concurrent.Intersecting. Usually, if there are three or more lines, they are said to be concurrent.Intersecting. Usually, if there are three or more lines, they are said to be concurrent.Intersecting. Usually, if there are three or more lines, they are said to be concurrent.
What are corresponding angles?
For any pair of parallel lines 1 and 2, that are both intersected by a third line, such as line 3 in the diagram below, angle A and angle C are called corresponding angles. Corresponding angles have the same degree measurement. Angle B and angle D are also corresponding angles. On a piece of paper, draw a horizontal line. Now, draw a diagonal line that bisects this line. You have now created four angles. Over the line, label the angles A and B, from left to right. Under the line, label the angles C and D, this time right to left. Angles A and C are corresponding angles, as they have the same degree measurement, and angles B and D are corresponding angles for the same reason. To answer your next question, angles A and B and angles C and D are complimentary angles as their degree measurements add up to 180. The same can be said for angles A and D and angles B and C. any pair of angles that have the same relative position at each intersection where a straight line crosses two others
