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Math Polygons+Angles

Polygons, Exterior Angles, and Interior Angles

How many sides does a triangle have? 3
How many sides does a Quadrilateral have? 4
How many sides does a Pentagon have? 5
How many sides does a hexagon have? 6
How many sides does a heptagon have? 7
How many sides does a Octagon have? 8
How many sides does a Nonagon have? 9
How many sides does a Decagon have? 10
How many sides does a Dodecagon have? 12
(VOCAB) The angles on the inside of a polygon formed by each pair of adjacent sides. Interior Angles
(VOCAB) Polygon in which all sides are congruent. Regular Polygon
(VOCAB) The angle formed by any side of a polygon and the extension of its adjacent sides. Exterior Angle
(VOCAB) A polygon that has all interior angles less than 180 degrees. Convex Polygon
(VOCAB) A polygon that has one or more interior angles greater than 180 degrees. Concave Polygon
What is the formula to find equal interior angles? 180(n-2)
Created by: Austin Shea