2D Vocabulary Crossword

Line from the center of a regular polygon at right angles to any of its sides, what am i?
What is the ______ of the square?
The angle between a side of a rectilinear figure and an adjacent side extended outward?
A figure with at least three straight sides and angles, and typically five or more?
The______of a flat surface or object
A shape that is not a regular shape it can have sides of any length and each interior angle can be any measure.
A four sided shape rectilinear figure with opposite sides parallel
A straight line joining two opposite corners of a shape like rectangle or other straight sided shape.
plane figure with twelve sides, what am i?
An angle between adjacent sides of a rectilinear figure, what am i?
It could be either convex or star and that is Equiangular and equilateral.
A figure that has nine straight sides and that has nine angles.
A Quadrilateral shape with only one pair of parallel sides.
Parallelogram with opposite equal acute angles, opposite equal obtuse angles, and with four equal sides.
A plane shape with seven straight sides and angles
A kite consists of wings, tethers and anchors.