# Geometry Vocabulary (crossword Puzzle)

## Unlock all answers in this set

question
Line
the set of all points collinear to two points
question
Segment
two end points and all the points in between them
question
Plane
a flat figure with no thickness that extends indefinitely in all directions
question
Ray
is a line with a single endpoint (or point of origin) that extends infinitely in one direction.
question
Acute
angle whose measure is less than 90
question
Vertex
point in common of two rays that form an angle
question
Midpoint
the middle point of the line segment
question
Obtuse
an angle whose measure is greater than 90 and less than 180
question
Complementary
the sum of two angle use measure is 90
question
Supplementary
the sum of two angle whos measure is 180
question
Angle
two non collinear rays with a common endpoint
question
Perpendicular
lines that meet at a 90
question
Vertical
Two non adjacent angles formed by two intersecting line
question
Straight
angle formed by opposite rays
question
Congruent
geometric elements of equal measure
question
four parts of a coordinate plane
question
Coplanar
points that lie on the same plane
question
Origin
point where the x-axis and y-axis meet in a coordinate grid
question
Colinear
points on the same line
question
two angles with a common side but no common interior points
question
Point
A precise location or place on a plane. Usually represented by a dot.
question
Dimensions
a property of space; extension in a given direction:
question
Parallel
coplanar lines that do not intersect or two lines that are always the same distance apart and never touch
question
a polygon with four edges (or sides) and four vertices or corners.
question
Circle
flat shape with all points the same distance from its center.
question
Face
is a flat (planar) surface that forms part of the boundary of a solid object;
question
Edge
a line segment where two faces meet.
question
Solid
3 dimensional figure
question
Prism
a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
question
Diameter
any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.
question
is the length of a line segment from its center to its perimeter.
question
Perimeter
The distance around a two-dimensional shape.
question
Circumference
is the distance around the circle. It is the circle's perimeter.
question
Area
The amount of space inside the boundary of a flat (2-dimensional) object.
question
3D
3 dimensions height width and length
question
Sphere
as the set of all points equidistant from a single point in space.
question
Surface Area
The total area of the surface of a three-dimensional object, measured in square units.
question
Volume
is the measure of the amount of space inside of a solid figure, it is measured in cubic units.
question
Bisector
The line that divides something into two equal parts
question
Decagon
ten-sided figure
question
Symmetry
one shape becomes exactly like another when you move it in some way: turn, flip or slide
question
Polygon
a plane figure with at least three straight sides and angles.
question
intersecting
two or more lines that meet or cross at a point
question
parallelogram
quadrilateral with two pairs of parallel sides
question
Pentagon
is a five-sided polygon
question
Hexagon