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- Properties of Polygons —
- Interior Angles of a Triangle:
The sum of the measures
of the (3 interior) angles for
any triangle is 180 degrees,
i.e., α + β + γ = 180°
- Five Primary Polygons (n-sides):
triangle (3), quadrilateral (4), pentagon (5),
hexagon (6), and octagon (8)...
- Regular Polygons:
A "regular" polygon is any
polygon whose sides are equal in length, and
whose interior angles have the same measure.
HomeWork:
- Exercises / p.290: #1-16 (reprint 5.1 — answers
)
Exercises I #1-15 (3.1)
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