What are the defined terms in Geometry? Check out the answers below.
DEFINED TERMS IN GEOMETRY – In Geometry, there are several terms left identified such as the point, line, and plane but the rest are defined.
A very broad branch of Mathematics is Geometry – a subject that deals with “properties and relations of points, lines, surfaces, solids, and higher dimensional analogs” according to an online definition. The word “Geometry” comes from the Greek words “ge” meaning “earth” and “metria” meaning “measuring.”
And in this subject, there are three words left undefined such as point, line, and plane. But the descriptions of these words are below:
- point – a location with no size
- line – something that infinitely extends in any direction without a definite width
- plane – it infinitely extends in two dimensions
Apart from these words, the rest are defined, and here are some:
- Collinear Points
– points that lie on the same line - Coplanar Points
– points that lie on the same plane - Parallel Lines
– lines in a plane that do not intersect - Perpendicular Line
– lines that intersect forming a right angle - Midpoint
– a point that divides a line segment into two equal parts - Angle
– a figure that has one common point formed by two rays - Right Angle
– an angle measuring 90 degrees - Vertical Angles
– made of two angles wherein the sides of an angle are the opposite rays of the sides of the other angle - Adjacent Angle
– two angles that have a common vertex and common side - Linear Pair
– two adjacent angles where their non-common line is forming a straight angle - Supplementary Angles
– if the sum of two angles is 180 degrees - Complementary Angles
– if the sum of two angles is 90 degrees - Angle Bisector
– the ray that divides an angle into two congruent angles - Segment Bisector
– a point, a line, or a segment that divides a segment into two congruent parts
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