One
An angle that is less than a right angle.
acute
means
Transformation where the means are switched.
alternation
Point where angle originates.
vertex
A line that intersects two or more other lines.
transversal
An arc less than a semicircle.
minor arc
A ___________ is the shortest line between two points.
straight line
Two straight lines intersect at _____ point(s).
one
The perimeter of a circle.
circumference
parallel
The line through the vertex of an angle which divides it into two equal angles.
angle bisector
Any straight line whose endpoints are on the circle.
chord
If equals are subtracted from equals then the ___________ are equal.
remainders
concentric
An angle formed by one side of a triangle and the adjacent side extended through the vertex.
exterior angle
The arc that represents half a circle.
semicircle
The sum of the sides of a polygon.
perimeter
A rectangle with two adjacent sides equal.
square
A parallelogram having two adjacent sides equal.
rhombus
A line from the vertex of a triangle perpendicular to the opposite side.
altitude