Geometric Terms
An exact location in space
Point
Lines that intersect to form RIGHT angles
Perpendicular lines
A closed shape with four sides
Quadrilateral
All sides are the same length
-Equilateral
-Isosceles
-Scalene
Equilateral
A part of a line with two endpoints
Line segment
Lines that meet at a point
intersecting lines
- Two pairs of parallel sides
- Opposite angles are equal
- Opposite sides are equal
Parallelogram
Two sides are the same length
-equilateral
-isosceles
-scalene
isosceles
A straight path that goes on forever in both directions
Line
An angle that measures less than 90 degrees
Acute Angle
- two pairs of parallel sides
- four right angles
- opposite angles are equal
- opposite sides are equal
rectangle
No side has the same length
-equilateral
-isosceles
-scalene
scalene
A straight path that goes on forever in ONE direction
Ray
An angle that measures more than 90 degrees and less than 180 degrees
Obtuse angle
-four sides that are the same length
- four right angles
- opposite angles are equal
- opposite sides are equal
- two pairs of parallel sides
Square
All acute angles
-Acute
-Right
-Obtuse
Acute triangle
Lines that go in the same direction and NEVER intersect
Parallel lines
An angle that measures exactly 90 degrees
Right angle
- two pairs of parallel sides
- four sides that are the same lengths
- opposite angles are equal
- opposite sides are equal
Rhombus
One obtuse angle
-acute
-right
-obtuse
Obtuse Triangle