### Two-Dimensional Figures

Loren Byers

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

Across
4.angles formed by parallel lines and a transversal that lie outside parallel lines
8.slides
9.parts of congruent shapes that match
10.turns
11.line that makes two halves of a figure symmetrical (match)
12.line segment perpendicular to the bases with endpoints on the base and the side opposite the base
13.the distance from the center to any point on the circle
14.polygon that is equilateral and equiangular
16.closed figure with four sides and four vertices
20.angles formed by parallel lines and a transversal that are on opposite sides of the transversal and inside the parallel lines
21.the distance across the circle through its center
25.when all angles are congruent
29.lines that intersect to form a right angle
31.the distance around a circle
33.parallelogram with four right angles
36.figures that have the same size and same shape
37.angles formed by parallel lines and a transversal that lie inside parallel lines
38.if the sum of 2 angles measures 90 degrees, the angles are _____
40.flips
41.a simple, closed figured formed by three or more line segments
Down
1.alter the size of a figure
2.angles that are on opposite sides of the transversal and outside the parallel lines
3.all sides are congruent
4.angle formed when a side polygon is extended
5.angles that are in the same position on the parallel lines in relation to the transversal
6.parallelorgram with four congruent sides and four right angles
7.the given point of a circle
12.two angles that have the same vertex, share a common side and do not overlap
15.any figure that can be turned or rotated less than 360 degrees about a fixed point so that the figure looks exactly as it does in its original position
17.quadrilateral with both pairs of opposite sides parallel and congruent
18.two pairs of opposite angles formed when two lines intersect
19.figure that has line symmetry
22.line that intersects two parallel lines forming eight angles
23.angle who has its vertex on the circle and sides that are chords
24.parallelogram with four congruent sides
26.angle whose vertex is the center of the circle
27.an angle inside a polygon
28.if 2 angles measure 180 degrees, the angles are _____
30.quadrilateral with one pair of opposite sides parallel
31.segment of a circle whose endpoints are on the circle
32.length of an altitude
34.set of all points in a plan that are the same distance from a given point
35.a line segment in a polygon that joins two nonconsecutive vertices
39.3.14 or 22/7

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