Math Project Crossword

two lines that intersect to form right angles
a flat figure that can be closed or not closed
a flat closed shape having only two dimensions
flat surface
where two surfaces join
flat surface of 3D shape
a plane figure with the same sizeand shape
six sided figure
a 3 sided figure
angle less than 90 degrees
an angle more than 90 degrees
angle 90 degrees
two angles that add up to 180
two angles that add up to 90
angles in the same place on different lines
a point that divides a segment into two congruent segments
lying in the same plane
a line that intersects a circle in two points
an arc with a measure greater than 180
arcs that have the same measure