Points, Lines, Planes
A location with no shape or size
Point
Three congruent sides and angles
Equilateral
The sum of the four angles
360 degrees
Three sets of congruent sides in two triangles
SSS Congruence
The total degrees of a circle
360
Extends infinitely in both directions, cannot be measured
Line
Two congruent sides
Isosceles
Four right angles and four congruent sides
Square
Two triangles with two congruent sides and one congruent included angle
SAS Congruence
Half of the diameter
Radius
Can be measured, has two endpoints
Segment
Three angles less than 90 degrees
Acute
Two sets of parallel lines
Parallelogram
Two triangles with two sets of congruent angles and one congruent side
AAS Congruence
The line outside the circle that touches it at exactly one point
Tangent
The intersection of a point and a line
Point
One 90 degree angle
Right
One set of parallel lines and two congruent sides
Isosceles Trapezoid
The amount of congruent parts needed to name two triangles congruent
Three
An inscribed angle has this relation to the intercepted arc
Half the degrees
The intersection of two planes
The sum of the three angles in a triangle
180 degrees
A square is always this, but this is not always a square
Rectangle
The only combination that cannot be used to name triangles congruent
SSA
The central angle has this relation to its included arc
Equal measures