Geometry
An exact location in space
point
4 right angles and the sides are all the same length
square
This connects two points
segment
This has 3 equal sides
equilateral triangle
A straight path of points that goes on and on in two directions
line
It has 4 right angles and is also a parallelogram
rectangle
This starts at a point and continues through a point into a direction
ray
This has 2 equal sides
isosceles triangle
A triangle with 3 angles less than 90 degrees
Acute
A quadrilateral with only one pair of sides
trapezoid
Lines that never intersect
parallel lines
This has no sides equal in length
scalene triangle
A triange with one angle that measures exactly 90 degrees
right triangle
A quadrilateral with 2 pairs of parallel sides
parallelogram
Lines that pass through the same point
intersecting lines
A triangle that has one angle that is more than 90 degrees
obtuse
What you call a figure that can be folded on a line to form two equal halves that fit on top of each other
line of symmetry
A quadrilateral that has opposite sides that are parallel and all of its sides are the same length
rhombus
Lines that form square corners
perpendicular lines
A triangle that has angles that are all less than 90 degrees
acute triangle