Geometry crossword

3. two lines in the same plane that are at equal distance from each other and never meet
9. a triangle that has all its sides equal in length
12. A median is a segment that connects the vertex of a triangle to the midpoint of the side opposite that vertex.
13. a straight line joining two opposite corners of a square, rectangle, or other straight-sided shape.
14. a part of a ligne,with a starting point and a stopping point
16. a plane figure with four equal straight sides and four right angle

1. a straight line that makes the right angle (90 degrees) with the other line
2. an angle of 180°.
4. a plane figure with six straight sides and angles
5. angle that measures more than 90 degrees.
6. a line that intersects the circle twice and passes through its middle
7. a four-sided plane rectilinear figure with opposite sides parallel.
8. a straight line that divides an angle or line into two equal parts.
10. a straight line from the centre to the circumference of a circle or sphere.
11. each angular point of a polygon, polyhedron, or other figure
15. a solid three-dimensional figure, which has 6 square faces, 8 vertices and 12 edges