word puzzle Crossword

A straight one-dimensional figure having no thickness and extending infinitely in both directions.
A set of points on a line consisting of two endpoints and all the points between them.
A series of connected line segments that starts and ends at the same place and does not intersect itself anywhere in between.
Part of a line that starts at a particular point and extends infinitely far in one direction.
A three-sided polygon.
A five-sided polygon.
A four-sided polygon.
A six-sided polygon.
A seven-sided polygon.
A nine-sided polygon.
An eight-sided polygon.
A ten-sided polygon.
A figure formed by two line segments or rays with a common endpoint.
The distance around a figure.
A segment that connects two nonadjacent vertices of a polygon.
A common endpoint of two sides of a polygon or an angle.
An angle that measures 90º.
A line that divides a figure in half so that each half is the mirror image of the other.
A line that intersects a given segment at right angles and divides it into two equal parts.
Two geometric objects having the same measure.