Point

A location in space

[image]

Line

Connects two point via the shortest path and continues indefinitely in both directions

[image]

Line Segment

Part of a line between two points

[image]

Perpendicular Lines

Lines that intersect at an angle of 90 degrees

[image]

Parallel lines

Lines that never intersect and are always the same distance apart

[image]

Right angle

An angle that measures 90 degrees.

[image]

Acute angle

An angle that measures less than 90 degrees.

[image]

Obtuse angle

Vertex

Point at which two rays meet forming an angle.

[image]

Scalene triangle

A triangle whose 3 sides are all different lengths. 

[image]

Isosceles Triangle

A triangle with 2 equal length sides & 2 equal internal angles.

[image]

Equilateral Triangle

A triangle with  all three sides of equal length and each angle is equal.

[image]

Raidius

Distance from the center of a circle to any point on that  circle's circumference.

[image]

Diameter

A line segment that joins 2 points on a circle and passes through the center of the circle.

[image]

Chord

A line segment joining 2 points on a curve but does not need to go through the center.

[image]

Straight Line

have exactly the same shape & may or may not be the same size

[image]

Congruent

having the same size & the same shape

[image]

Transformations

three different movements of a figure over a line.

Translation, Reflection, Rotation

Translation

A slide or movement of a figure without flipping or turning

[image]

Reflection

the movement of a figure over a line so that the figure faces the opposite direction

[image]

Rototation

a turn or movement of a figure around a point

[image]

Arc

Hexagon

[image]