##### Across

**5.**the points that two figures have in common**7.**two or more coplanar lines that have no points in common or are identical**9.**a triangle that has no congruent sides**12.**two angles that have the same measure**13.**2 angles whose measures, when added together, equal 90 degrees**17.**a ray that isin the interior of an angle and forms two equal angles with the sides of that angle**18.**points that line in a line**19.**2 supplementary adjacent angles whose noncommon sides form a line**21.**a quadrilateral with exactly one pair of parallel sides**24.**a statement assumed to be true without proof**27.**2 angles whose measures, when addes together, equal 180 degrees**29.**an equilateral rectangle**30.**a polygon that has all sides and angles the same**31.**a parallelogram with four congruent angles**32.**Points that connect the sides of a polygon**33.**an equilateral parallelogram**34.**a triangle that has all three angles being acute angles**35.**a triangle that has at least two congruent sides**36.**is a quadrilateral with two pairs of parallel sides**37.**same size, same shape**38.**a triangle that has one angle being obtuse**40.**two line segments that the same measure

##### Down

**1.**a two-dimensional group of points that goes on infinitely in all directions**2.**2 angles that share a common vertex and whose sides form 2 lines**3.**a triangle that has one angle being right**4.**a precise way of drawing which allows only 2 tools**6.**polygon with no "dents"**7.**A plane, closed figure whose sides are made up of segments that connect end-to-end**8.**a quadrilateral with two distinct pairs of consecutive congruent sides**10.**polygon with a "dent"**11.**a triangle that has all three congruent sides**12.**share a vertex; next to each other**14.**the point M of AB whre AM=AB**15.**the beginning or ending of a line segment**16.**2 nonstraight and nonzero angles that have a common side in the interior of the angle formed by the noncommon sides**20.**a zero-dimension figure;while usually left undefined**22.**part of a line**23.**points that line in a plane**25.**a two-dimensional object that has no endpoints and continues on forever in a plane**26.**a one-dimensional figure that consists of one endpoint A, one point B, all of the points on line AB**27.**any plane, point or two dimensional figure containing the midpoint of the segment and no other points on that segment**28.**a polygon that has all sides the same length**39.**the union of 2 rays that have the same endpoint; measured in degrees or radians