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More on Shapes
Label the Regular Polygons
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Read the definitions, then label the regular polygons (many-sided geometric figures with equal-length sides and equal angles). The sum of the inner angles of a regular polygon is 180*(n-2) degrees, and each inner angle of a regular polygon is equal to [180*(n-2)]/n degrees, where n is the number of sides of the figure.
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If you are already a site member, click here.equilateral triangle - a three-sided figure with equal length sides and with all three inner angles each equal to 60 degrees.
square - a four-sided figure in which each side is the same length and with all four interior angles are right angles (90 degrees).
regular pentagon - a five-sided figure with equal length sides and with inner angles each equal to 108 degrees.
regular hexagon - a six-sided figure with equal length sides and with inner angles each equal to 120 degrees.
regular heptagon - a seven-sided figure with equal length sides and with inner angles each equal to 128 4/7 degrees.
regular octagon - an eight-sided figure with equal length sides and with inner angles each equal to 135 degrees.
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