Geometry
Quadrilaterals
Line Relationships
Triangles
Polygons
100

An exact location in space

point

100

4 right angles and the sides are all the same length

square

100

This connects two points

line segment

100

This has 3 equal sides

equalateral triangle

100

Polygon with 3 sides

triangle

200

A straight path of points that goes on and on in two directions

line

200

It has 4 right angles and is also a parallelogram

rectangle

200

This starts at a point and continues through a point into a direction

Ray

200

This has 2 equal sides

isosceles triangle

200

polygon with 8 sides

octogon

300

A line that goes on and on in one direction.

Ray

300

A quadrilateral with only one pair of sides

trapezoid

300

Lines that never intersect

parallel lines

300

This has no sides equal in length

scalene triangle

300

Polygon with 5 sides

pentagon

400

A triange with one angle that measures exactly 90 degrees

right triangle

400

A quadrilateral with 2 pairs of parallel sides

parallelogram

400

Lines that pass through the same point

intersecting lines

400

A triangle that has one angle that is more than 90 degrees

obtuse triangle

400

Polygon with 4 sides

quadrilateral

500

What you call a figure that can be folded on a line to form two equal halves that fit on top of each other

symmetric....or a line of symmetry

500

A quadrilateral that has opposite sides that are parallel and all of its sides are the same length

rhombus

500

Lines that form square corners at 90 degrees

perpendicular lines

500

A triangle that has angles that are all less than 90 degrees

acute triangle

500

Polygon with 6 sides

hexagon

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