a closed figure with 3 or more straight sides - What is a polygon? , closed figure with 3 sides and 3 angles - triangle, closed figure with 4 sides and 4 angles - quadrilateral, closed figure with 4 sides and 4 angles; all 4 sides are the same length- all angles are right angles - square, closed figure with 4 sides and 4 angles; opposite sides are the same length- all angles are right angles - rectangle, closed figure with 4 sides and 4 angles; opposite sides are same length- angles are NOT right angles (looks like a rectangle pushed over) - parallelogram, two lines that will never touch (like an equal sign) - parallel, two lines that cross each other at 90 degree angles - perpendicular, same size and same shape - congruent, closed figure with 4 sides and 4 angles; all sides are the same length (like a smushed square)- all angles are NOT right angles - rhombus, closed figure with 4 sides and 4 angles; only one pair of opposite sides are parallel - trapezoid, closed figure with 4 sides and 4 angles; diagonal lines inside are perpendicular - kite, closed figure with 5 sides and 5 angles - pentagon, closed figure with 6 sides and 6 angles - hexagon, closed figure with 8 sides and 8 angles - octagon, 90 degree angle ("L" shape- you could put a square in the corner) - right angle, where two lines meet (makes angles/ corners) - Vertex (vertices),

Polygons

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