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definitions 1
definitions 2
Definitions 3
definitions 4
definitions 5
100
Angle that measures less than 90
What is acute
100
The number of square units in a polygonal region needed to cover its surface
What is area
100
To separate a geometric figure into congruent parts using a point, line, ray, segment or plane
What is Bisect
100
3 points or more that don't lie on the same line
What is noncollinear
100
An angle that measures more than 90 and less than 180
What is obtuse
200
2 angles that share a common side and have the same vertex.
What is Adjacent angles
200
The point of intersection of the 3 medians of a triangle
What is Centroid
200
The process of drawing a figure using only a compass and a straightedge
What is construction
300
A segment that separates an angle of a triangle into 2 congruent angles
What is Angle bisector
300
Circles that lie in the same plane, have the same center, and have radii of different lenghts
What is Concentric circles
300
Triangles whose corresponding sides are congruent
What is congruent triangles
300
Sides of a polygon that share a vertex
What is Consecutive sides
300
A transformation that alters the size of a figure, but not its shape.
What is dialation
400
A rule of geometry that is accepted as being true without proof
What is postulate
400
a four-sided figure with four vertices
What is quadrilateral
400
A convex polygon that is both equilateral equiangular
What is regular polygon
400
A statement that can be justified by logical reasoning
What is Theorem
400
A segment in which one endpoint is the vertex of a triangle and the other endpoint is the midpoint of the side opposite that vertex
What is median of a triangle
500
2 non-adjacent angles formed by a pair of intersecting lines
What is vertical angles
500
A line that intersects two or more lines, each at a different point
What is transversal
500
a part of a line that has an endpoint and contains all the points of the line without end in one direction
What is ray
500
a geometric turn of a figure around a fixed point
What is rotation