Geometry crossword puzzle

A quadrilateral with only one pair of parallel sides
side by side and having the same distance continuously between them
At an angle of 90 degrees to a given line
Having all the sides the same length
A triangle having three unequal sides and angles
The intersection point of two sides of a plane figure
A triangle with one internal angle to equal 90 degrees
One part of a line
A position in space
An equilateral parallelogram having oblique angles
Line segments that do not intersect
A polygon having six sides and six angles
An angle less than 90 degrees but greater than 0 degrees
A polygon with 5 sides and 5 angles
Line segments that cross each other
A rectangle having all four sides of equal length
An angle greater than 90 degrees but less than 180 degrees
A polygon with four sides
A closed plane curve consisting of all points at a given distance
A straight line passing through the center of a circle