Geometry vocabulary Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 1) points that lie on the same line.3) 2 angles whose measures have a sum of 90 degrees.5) an angle that measures greater than 90 degrees and less than 180 degrees.6) two angles whose measures have a sum of 180 degrees.7) a plane that is divided into 4 regions by a horizontal line called the x-axis & a vertical line called the y-axis.8) a basic figure that is not defined in terms of other figures. The undefined terms in geometry are point, line, and plane.9) the original figure in a transformation.10) 2 angles in the same plane with a common vertex and a common side, but no common interior points.11) a segment from a vertex that forms a right angle with a line containing the base.12) points that lie in the same plane.13) a ray that divides an angle into 2 congruent angles.14) a transformation across a line. The perpendicular bisector of each segment joining each point and its image.15) a transformation that shifts or slides every point of a figure or graph the same distance in the same direction.16) the absolute value of the difference of the coordinates of the points.17) a method of creating a figure that is considered to mathematically precise. Figures may be constructed by using a compass and straight edge, geometry software, or paper folding.20) the set of all points outside an angle.21) the sum of the side lengths of a closed plane figure.22) the ratio of the circumference of a circle to its diameter, denoted by the Greek letter.23) a side of a polygon; a face of a 3-dimensional figure by which the figure is measured or classified.25) a part of a line consisting of 2 endpoints and all points between them.26) given 3 points A,B,&C, B is between A & C if and only if all 3 of the points lie on the same line, and AB&BC=AC.29) the distance around the circle.30) to divide into two congruent parts.32) a shape that results from a transformation of a figure known as the pre-image.34) a point at an end of a segment or the starting point of a ray.35) the number of non-overlapping unit squares of a given size that will exactly cover the interior of a plane figure.40) the set ofall points between the sides of an angle.41) a number used to identify the lication of a point. On a number line, one coordinate is used. On a coordinate plane, 2 coordinates are used, called the x coordinate & the y-coordinate. In space, 3 coordinates are used, called the x-coordinate, the y-coordinate, and the z-coordinate.44) an undefined term in geometry, it names a locations and has no size.45) the distance between the 2 endpoints of a segment.49) a segment whose end points are the center of a circle and a point on the circle; the distance from the center of a circle to any point on the circle. Across: 2) the non-adjacent angles formed by two intersecting lines.4) a statement that is accepeted as true without proof. Also called an "axiom".10) a figure formed by two rays with a common endpoint.18) a unit of angle measure; one degree is 1/360 of a circle.19) a transformation about a point P, also known as the center of rotation, such that each point and its image are the same distance from P. All of the angles with vortex P formed by a point and its image are congruent.24) a pair of adjacent angles whose non common sides are opposite rays.27) an undefined term in geometry, a line is a straight path that has no thickness and extends forever.28) the set of all points between the sides of an angle.31) a line, ray, or segment that divides a segment into 2 congruent segments.33) the intersection of two sides of the polygon.36) angles are measure in degrees. A degree is 1/360 of a complete circle.37) a change in the position, size, or shape of a figure or graph.38) an undefined term in geometry, it is a flat surface that has not thickness and extends forever.39) a 180 degree angle.42) one of the two congruent sides of the isosceles triangle.43) 2 rays that have a common endpoint and form a line.46) the point that divides a segment into 2 congruent segments.47) a segment that has end points on the circle & that passes through the center of the circle; also the length of that segment.48) angles that have the same measure.50) a part of a line that starts at an endpoint and extends forever in one direction.51) an angle that measures 90 degrees.52) an angle that measures greater than 0 degrees and less than 90 degrees.53) the branch of mathematics concerned with properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
 

 

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