A Crossword Puzzle of the Language of Geometry

a primitve notion that models an exact location in the space
part of a line that has a fixed starting point but no end point
lines that meet across at right angles (90 Degrees)
tool used to measure angles
two lines that share exactly one point
one dimensional figure, which has length but no width. Extends in both directions infinitely.
formed by two rays having the same common endpoint
formed by rotating one ray by 180 degrees with respect to another ray
a portion cut off from a geometric figure by one or more points, lines, or planes
two lines in the same plane that are at equal distance from each other and never meet
unit of angle measure
study of geometric figures whose parts lie in the same area
tool used to rule straight lines and measure distances
the endpoint where two lines or rays come together.
when tow straight lines intersect each other at 90 degrees
the point which divides the line segment into two equal parts